:root{--bg:#f4f1ec;--ink:#222;--link:#8b1a1a;--accent:#b8862b;--head:#151515;--head-ink:#f3efe6;--card:#fff;--soft:#f8f5ef;--line:#e2dccf;--muted:#6b665d;--head-c:#151515;--font:"Open Sans",Arial,Helvetica,sans-serif;--font-head:Georgia,"Times New Roman",serif}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--font);}
img{max-width:100%;height:auto}
a{color:var(--link)}
a:hover{color:var(--accent)}
.wrap{max-width:1040px;margin:0 auto;padding:0 16px}
.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{width:auto;height:auto;clip:auto;top:8px;background:#fff;padding:6px;z-index:9}
.site-header{background:var(--head);color:var(--head-ink);border-bottom:4px solid var(--accent)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:12px;color:var(--head-ink);text-decoration:none;font:700 1.35rem/1.2 var(--font-head)}
.brand img{height:54px;width:auto;display:block}
.brand small{display:block;font:400 .8rem/1.3 var(--font);opacity:.85}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px 18px}
.mainnav a{color:var(--head-ink);text-decoration:none;font-size:.95rem;padding:4px 0;border-bottom:2px solid transparent}
.mainnav a:hover{border-bottom-color:var(--accent)}
main{padding-top:18px;padding-bottom:40px}
.crumbs{font-size:.85rem;color:var(--muted);margin:4px 0 14px}
.crumbs a{color:var(--muted)}
.crumbs .sep{margin:0 4px}
.content{background:var(--card);padding:22px 26px;border-radius:6px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
h1,h2,h3,h4{font-family:var(--font-head);line-height:1.25;color:var(--head-c)}
h1{font-size:2rem;margin:.2em 0 .4em}
h2{font-size:1.45rem;margin:1.5em 0 .5em}
h3{font-size:1.2rem;margin:1.3em 0 .4em}
.meta{color:var(--muted);font-size:.9rem;margin-top:-.2em}
.lead{font-size:1.1rem}
blockquote{margin:1em 0;padding:.4em 1em;border-left:4px solid var(--accent);background:var(--soft)}
table{border-collapse:collapse;width:100%;margin:1em 0;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:6px 10px;text-align:left;vertical-align:top}
th{background:var(--soft)}
.faq details{border:1px solid var(--line);border-radius:4px;padding:8px 12px;margin:8px 0;background:var(--soft)}
.faq summary{cursor:pointer;font-weight:600}
.sources ul,.related ul{padding-left:1.2em}
.related{margin-top:22px;background:var(--card);padding:16px 26px;border-radius:6px}
.related h2{margin-top:.2em;font-size:1.2rem}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;padding:0;list-style:none}
.cards li{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:14px 16px}
.cards li a{font-weight:600;text-decoration:none}
.cards li p{margin:.4em 0 0;font-size:.93rem;color:var(--muted)}
.entries{list-style:none;padding:0}
.entries li{border-bottom:1px solid var(--line);padding:12px 0}
.entries .src{font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
.entries h3{margin:.2em 0;font-size:1.1rem}
.entries p{margin:.3em 0}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.site-footer{background:var(--head);color:var(--head-ink);padding:20px 0;font-size:.9rem}
.site-footer a{color:var(--head-ink)}
.site-footer p{margin:.4em 0}
.disclaimer{opacity:.9}
.note{background:var(--soft);border:1px solid var(--line);padding:10px 14px;border-radius:4px;font-size:.95rem}
[dir=rtl] .content{text-align:right}
@media (max-width:640px){
 body{font-size:16px}
 h1{font-size:1.55rem}
 .content{padding:16px}
 .related{padding:14px 16px}
 .brand img{height:42px}
}
.toc{columns:2;padding-left:1.2em}
.model{border-top:1px solid var(--line);padding-top:6px;margin-top:18px}
.model img{display:block;max-width:420px;width:100%;margin:8px 0;border-radius:4px}
.content > img, .content p img{display:block;margin:10px 0;border-radius:4px}
@media (max-width:640px){.toc{columns:1}}
.k-restored .content img{max-width:min(100%,560px)}