:root{--ink:#1f2937;--muted:#6b7280;--link:#0e6e7a;--line:#e5e7eb}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);line-height:1.6;background-color:wheat}
.site-head{border-bottom:1px solid var(--line);padding:18px 24px;font-weight:700}
.site-head a{color:var(--ink);text-decoration:none}
.page-body{display:grid;grid-template-columns:1fr 260px;gap:40px;max-width:1100px;margin:0 auto;padding:32px 24px 64px;align-items:start}
.page-body.full-width{grid-template-columns:1fr;max-width:820px}
.content h1{font-size:2rem;line-height:1.15;margin:.2em 0 .6em}
.content h2{margin-top:1.6em}
.content img{max-width:100%;height:auto;border-radius:8px}
.content a{color:var(--link)}
.content table{border-collapse:collapse;width:100%;margin:1em 0}
.content th,.content td{border:1px solid var(--line);padding:8px 10px;text-align:left}
.content ul,.content ol{padding-left:1.3em}
.site-sidebar{font-size:.88rem;border-left:1px solid var(--line);padding-left:24px}
.site-sidebar h4,.site-sidebar h5{margin:.2em 0 .4em;color:var(--ink)}
.site-sidebar ul{padding-left:1.2em;margin:.3em 0}
.site-sidebar li{margin:.25em 0}
.site-sidebar a{color:var(--link)}
.site-sidebar iframe{width:100%;border:none;height:130px;display:block;margin:.4em 0}
.site-sidebar hr{border:none;border-top:1px solid var(--line);margin:1em 0}
.site-foot{border-top:1px solid var(--line);color:var(--muted);padding:24px;font-size:.9rem;text-align:center}
.site-nav{background:#EDC9AF;padding:0 24px}
.site-nav>ul{list-style:none;margin:0;padding:0;display:flex}
.site-nav li{position:relative}
.site-nav>ul>li>button{background:none;border:none;color:var(--ink);font:inherit;font-size:.95rem;padding:12px 16px;cursor:pointer;display:flex;align-items:center;gap:4px}
.site-nav>ul>li>button:hover,.site-nav li:focus-within>button{background:rgba(0,0,0,.1)}
.dropdown{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:4px;min-width:220px;list-style:none;margin:0;padding:4px 0;box-shadow:0 4px 12px rgba(0,0,0,.12);z-index:100}
.site-nav li:focus-within .dropdown,.site-nav li:hover .dropdown{display:block}
.dropdown a{display:block;padding:10px 16px;color:var(--ink);text-decoration:none;font-size:.95rem}
.dropdown a:hover{background:#f3f4f6}
.site-nav a.nav-direct{color:var(--ink);text-decoration:none;font-size:.95rem;padding:12px 16px;display:block}
.site-nav a.nav-direct:hover{background:rgba(0,0,0,.1)}
.dropdown li.has-subdrop{position:relative}
.dropdown li.has-subdrop>a{display:flex;justify-content:space-between;align-items:center;gap:8px}
.subdrop{display:none;position:absolute;left:100%;top:0;background:#fff;border:1px solid var(--line);border-radius:4px;min-width:260px;list-style:none;margin:0;padding:4px 0;box-shadow:0 4px 12px rgba(0,0,0,.12);z-index:101}
.dropdown li.has-subdrop:hover .subdrop,.dropdown li.has-subdrop:focus-within .subdrop{display:block}