:root{--ink:#1f2933;--muted:#5b6770;--brand:#14466b;--bg:#fff;--line:#dde3e8}
*{box-sizing:border-box}
body{margin:0;font:18px/1.65 Georgia,"Times New Roman",serif;color:var(--ink);background:var(--bg)}
.wrap{max-width:46rem;margin:0 auto;padding:0 1rem}
.skip{position:absolute;left:-999px}.skip:focus{left:1rem;top:1rem;background:#fff;padding:.5rem}
.top{background:var(--brand);color:#fff}
.top .wrap{display:flex;flex-wrap:wrap;gap:.5rem 2rem;align-items:center;justify-content:space-between;max-width:64rem;padding-top:.9rem;padding-bottom:.9rem}
.brand{color:#fff;font:700 1.35rem/1 system-ui,sans-serif;text-decoration:none}
.top ul{display:flex;flex-wrap:wrap;gap:.25rem 1.25rem;list-style:none;margin:0;padding:0;font:600 .95rem system-ui,sans-serif}
.top a{color:#fff;text-decoration:none}.top li.current>a,.top a:hover{text-decoration:underline}
.top li{position:relative}
.top li>ul{display:none;position:absolute;left:0;top:100%;z-index:10;min-width:15rem;flex-direction:column;gap:0;background:var(--brand);padding:.4rem 0;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.top li:hover>ul,.top li:focus-within>ul{display:flex}
.top li>ul li>a{display:block;padding:.35rem 1rem;font-weight:500;white-space:nowrap}
.top li>ul li>ul{left:100%;top:0}
.top li>ul li.has-sub>a:after{content:" \25B8"}
@media(max-width:700px){.top li>ul{display:none!important}}
main{padding:2rem 0 3rem}
h1{font:700 2rem/1.2 system-ui,sans-serif;color:var(--brand);margin:0 0 .5rem}
h2,h3,h4{font-family:system-ui,sans-serif;line-height:1.3;color:var(--brand)}
a{color:var(--brand)}
img{max-width:100%;height:auto}
.meta{color:var(--muted);font:.9rem system-ui,sans-serif}
table{border-collapse:collapse;width:100%;margin:1rem 0}th,td{border:1px solid var(--line);padding:.4rem .6rem;text-align:left;vertical-align:top}
blockquote{margin:1rem 0;padding-left:1rem;border-left:4px solid var(--line);color:var(--muted)}
.list{padding-left:1.1rem}.list li{margin:.3rem 0}
iframe{max-width:100%}
.foot{border-top:1px solid var(--line);color:var(--muted);font:.9rem system-ui,sans-serif;padding:1.2rem 0}
.wrap.has-side{max-width:64rem;display:grid;grid-template-columns:17rem minmax(0,1fr);gap:2rem;align-items:start}
.side{background:#f6f8fa;border:1px solid var(--line);border-radius:4px;padding:.5rem 1rem 1rem;font:.92rem/1.4 system-ui,sans-serif}
.side h2{font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin:1rem 0 .4rem}
.side ul{list-style:none;margin:0;padding:0}.side li{margin:.2rem 0;padding-left:.9rem;position:relative}
.side li:before{content:"\25B8";position:absolute;left:0;color:var(--muted)}
.side li.current>a{font-weight:700;color:var(--ink);text-decoration:none}
@media(max-width:800px){.wrap.has-side{display:block}.side{margin-bottom:1.5rem}}
.video{position:relative;padding-bottom:56.25%;height:0;margin:1rem 0}.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}