:root{--bg:#f5f7fb;--panel:#fff;--ink:#0f1a2b;--mut:#5b6678;--acc:#ffb703;--nav:#0f1a2b;--line:#dde3ee}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:1040px;margin:0 auto;padding:0 18px}.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:6px}
.top{background:var(--nav)}.bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;padding:12px 18px}
.brand{display:flex;gap:10px;align-items:center;color:#fff;text-decoration:none;font-weight:800;font-size:20px}
.nav{display:flex;gap:6px;flex-wrap:wrap}.nav a{color:var(--nav);background:var(--acc);text-decoration:none;font-weight:700;font-size:14px;padding:4px 10px;border-radius:999px}
a{color:#1d4ed8}h1{font-size:2.1rem;line-height:1.2;margin:.7em 0 .2em}h2{margin-top:1.8em;font-size:1.35rem}h2::before{content:"🔑 ";font-size:.9em}
.updated{color:var(--mut);font-size:14px}.answer{background:var(--panel);border-radius:14px;border:1px solid var(--line);box-shadow:0 2px 0 var(--acc);padding:16px 18px}
table{width:100%;border-collapse:separate;border-spacing:0;margin:14px 0;font-size:15px;display:block;overflow-x:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px}
th,td{padding:9px 12px;text-align:left;vertical-align:top;border-bottom:1px solid var(--line)}th{background:#eef2f8;font-weight:700}
code{background:#fff4d6;border:1px dashed #e0a100;padding:2px 6px;border-radius:6px;font-weight:700;user-select:all}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0}.card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px;text-decoration:none;color:var(--ink)}.card b{display:block;font-size:17px}.card span{color:var(--mut);font-size:14.5px}
.crumbs{font-size:14px;color:var(--mut);margin-top:14px}.note{color:var(--mut);font-size:14.5px}.src{font-size:13.5px;color:var(--mut);border-top:1px dashed var(--line);padding-top:10px;margin-top:26px}
.foot{background:var(--nav);color:#c7d0de;margin-top:44px;padding:20px 0;font-size:14px}.foot a{color:var(--acc)}