:root{color-scheme:light;--paper:#faf6ee;--ink:#34291f;--muted:#746455;--brand:#965830;--line:#dcd1c1;--wash:#eee5d7;--display:"Iowan Old Style","Palatino Linotype","Songti SC",Georgia,serif;--body:"Avenir Next","PingFang SC","Hiragino Sans GB",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 var(--body);-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:.24em;text-decoration-thickness:1px}a:hover{color:var(--brand)}a:focus-visible{outline:2px solid var(--brand);outline-offset:5px}::selection{background:#e8c9a5}button,a{-webkit-tap-highlight-color:transparent}.shell{width:min(1180px,calc(100% - 96px));margin:auto}.skip{position:absolute;top:-80px;left:24px;padding:12px;background:var(--paper);z-index:2}.skip:focus{top:8px}.site-header{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:108px;border-bottom:1px solid var(--line)}.wordmark{font:32px var(--display);letter-spacing:-1px;text-decoration:none}.nav{display:flex;align-items:center;gap:28px;font-size:14px}.nav a{text-decoration:none;min-height:44px;display:inline-flex;align-items:center}.nav a[aria-current=page]{text-decoration:underline}.language{border-left:1px solid var(--line);padding-left:26px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--brand)}h1,h2,h3,p{margin:0}h1,h2{font-family:var(--display);font-weight:400;line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(42px,5.2vw,76px);white-space:pre-line}h2{font-size:clamp(30px,3vw,46px)}h3{font-size:21px;font-weight:500;line-height:1.4}p+p{margin-top:18px}.hero{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center;padding:100px 0 90px;min-height:660px}.hero h1{margin:24px 0}.intro{font-size:19px;color:var(--muted);max-width:520px}.hero .intro{max-width:425px}.status{font-size:12px;color:var(--muted);margin-top:32px}.text-link{display:inline-block;color:var(--brand);padding:12px 0;font-size:15px}.hero-figure{margin:0;text-align:center;position:relative}.hero-figure img{width:100%;max-width:450px;height:auto;filter:drop-shadow(0 32px 24px #69492516)}.hero-figure figcaption{font:italic 18px var(--display);color:var(--muted);margin-top:24px}.feature-list{border-top:1px solid var(--line)}.feature{display:grid;grid-template-columns:80px 1fr 1fr;gap:28px;padding:44px 0;border-bottom:1px solid var(--line);align-items:start}.number{font:italic 18px var(--display);color:var(--brand)}.feature p{color:var(--muted);max-width:410px}.data-note{display:grid;grid-template-columns:1fr 1fr;gap:80px;padding:110px 0}.data-note h2{max-width:370px}.data-note p{color:var(--muted)}.small{font-size:13px}.contact-band{background:var(--wash);padding:48px 54px;display:flex;align-items:center;justify-content:space-between;gap:32px;margin-bottom:100px}.contact-band h2{font-size:34px;margin-bottom:12px}.contact-band p{color:var(--muted);font-size:15px}.pill{white-space:nowrap;display:inline-block;border:1px solid var(--brand);border-radius:99px;padding:12px 24px;color:var(--brand);font-size:14px;text-decoration:none}.site-footer{border-top:1px solid var(--line);padding:35px 0 45px;display:flex;justify-content:space-between;gap:30px;font-size:12px;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:12px 22px}.page-intro{padding:48px 0 36px;max-width:880px}.page-intro h1{margin:0;font-family:var(--body);font-size:36px;font-weight:500;line-height:1.3;letter-spacing:0}.date{font-size:12px;color:var(--muted);margin-top:20px}.document{display:grid;grid-template-columns:225px minmax(0,720px);gap:80px;align-items:start;padding-bottom:110px}.toc{position:sticky;top:30px;font-size:13px}.toc ol{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}.toc a{display:block;padding:10px 0;border-bottom:1px solid var(--line);text-decoration:none}.article section{padding:0 0 40px;margin-bottom:34px;border-bottom:1px solid var(--line);scroll-margin-top:35px}.article h2{font-family:var(--body);font-size:24px;line-height:1.4;letter-spacing:-.02em;font-weight:500;margin-bottom:20px}.article p,.article li{color:#645343;font-size:16px;overflow-wrap:anywhere}.article ul{padding-left:22px}.article li{padding-left:6px;margin-bottom:10px}.related{display:flex;flex-wrap:wrap;gap:12px 24px;font-size:14px}.preview{padding:12px 24px;background:#e8d3ad;text-align:center;font-size:13px;color:#503e28}.article .email{color:var(--brand)}.not-found{padding:100px 0 140px}.not-found p{margin:24px 0}@media(max-width:850px){.shell{width:calc(100% - 48px)}.nav{gap:18px}.language{padding-left:18px}.hero{gap:8px;padding:65px 0;min-height:560px}.hero h1{font-size:52px}.feature{grid-template-columns:45px 1fr 1fr;gap:18px}.document{grid-template-columns:170px minmax(0,1fr);gap:35px}.data-note{gap:40px;padding:75px 0}.contact-band{padding:34px;margin-bottom:70px}}@media(max-width:600px){.shell{width:calc(100% - 40px)}.site-header{min-height:88px;gap:12px}.wordmark{font-size:28px}.nav{gap:14px;font-size:12px}.nav .usage-nav{display:none}.language{padding-left:14px}.hero{grid-template-columns:1fr;padding:55px 0 50px;gap:34px}.hero h1{font-size:clamp(42px,10vw,58px);margin:18px 0}.hero .intro{font-size:17px}.hero-figure{justify-self:center;width:78%;max-width:320px}.hero-figure figcaption{font-size:16px;margin-top:8px}.status{margin-top:22px}.feature{grid-template-columns:35px 1fr;padding:30px 0;gap:10px 16px}.feature h3{font-size:21px}.feature p{grid-column:2;font-size:15px}.data-note{grid-template-columns:1fr;gap:24px;padding:65px 0}.data-note h2{font-size:36px}.data-note p{font-size:15px}.contact-band{display:block;padding:32px 25px;margin-bottom:60px}.contact-band .pill{margin-top:24px}.site-footer{flex-direction:column;gap:22px;padding:28px 0 35px}.document{display:block;padding-bottom:60px}.toc{position:static;margin-bottom:38px}.toc ol{display:flex;flex-wrap:wrap;gap:4px 20px;padding:14px 0;border-bottom:1px solid var(--line)}.toc a{border:0;padding:5px 0}.page-intro{padding:32px 0 26px}.page-intro h1{font-size:30px}.intro{font-size:17px}.article section{margin-bottom:27px;padding-bottom:27px}.article h2{font-size:22px}.article p,.article li{font-size:15px}.eyebrow{font-size:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
