:root{--sdn20ink:#14213d;--sdn20pp:#f6f7fb;--sdn20mu:#5c6378;--sdn20ln:#dde1ea;--sdn20ac:#1f6feb;--sdn20a2:#123f8c;--sdn20cd:#ffffff}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--sdn20pp);color:var(--sdn20ink);font:17px/1.75 "Inter",system-ui,sans-serif}
a{color:var(--sdn20a2)}a:hover{color:var(--sdn20ac)}
.sdn20-hd{background:#14213d;border-bottom:3px solid var(--sdn20ac)}
.sdn20-hi{max-width:1080px;margin:0 auto;padding:14px 16px;display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;justify-content:space-between}
.sdn20-lg{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.15rem;text-decoration:none;color:#f6f7fb}
.sdn20-lg img{width:30px;height:30px;border-radius:7px}.sdn20-lg b{color:var(--sdn20ac)}
.sdn20-hd nav a{font-size:.92rem;text-decoration:none;color:#f6f7fb;opacity:.75;margin-left:14px}.sdn20-hd nav a:hover{opacity:1;color:#f6f7fb}
.sdn20-mn{max-width:780px;margin:0 auto;padding:28px 16px 48px}
.sdn20-bc{font-size:.85rem;color:var(--sdn20mu);margin-bottom:10px}.sdn20-bc a{color:var(--sdn20mu)}
h1{font-size:clamp(1.6rem,4.5vw,2.25rem);line-height:1.25;margin:.2em 0 .5em;overflow-wrap:anywhere}
h2{font-size:1.35rem;line-height:1.35;margin:1.9em 0 .55em}h3{font-size:1.1rem;margin:1.4em 0 .4em}
.sdn20-dt{font-size:.85rem;color:var(--sdn20mu);margin-bottom:1.6em}
table{width:100%;border-collapse:collapse;font-size:.93rem;margin:1.2em 0;display:block;overflow-x:auto}
th,td{border:1px solid var(--sdn20ln);padding:8px 10px;text-align:left;vertical-align:top}th{background:var(--sdn20cd)}
ul,ol{padding-left:1.3em}li{margin:.3em 0}
.sdn20-ls{list-style:none;padding:0;margin:1.2em 0 2em}.sdn20-ls li{padding:14px 0;border-bottom:1px dashed var(--sdn20ln);margin:0}
.sdn20-ls a{font-weight:700;text-decoration:none;color:var(--sdn20ink);line-height:1.4;display:block}
.sdn20-ls p{margin:.35em 0 0;font-size:.92rem;color:var(--sdn20mu);line-height:1.55}
.sdn20-rl{margin-top:2.6em;background:var(--sdn20cd);border:1px solid var(--sdn20ln);padding:16px 18px}
.sdn20-rl h2{margin:0 0 .4em;font-size:1.05rem}
.sdn20-ft{border-top:1px solid var(--sdn20ln);font-size:.85rem;color:var(--sdn20mu)}
.sdn20-fi{max-width:1080px;margin:0 auto;padding:20px 16px}
@media(max-width:560px){body{font-size:16px}.sdn20-hd nav a{margin:0 12px 0 0}}