:root{--bg:#fff;--fg:#1a1a2e;--muted:#5b6275;--line:#e5e7ee;--brand:#881337;--card:#f6f7fb;--warn:#fff4f4;--warnline:#f3c4c4}
@media(prefers-color-scheme:dark){:root{--bg:#12131a;--fg:#ececf3;--muted:#a3a8ba;--line:#2a2c3a;--brand:#fb7185;--card:#1b1d29;--warn:#2a1b1f;--warnline:#5c2b35}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif}
header{border-bottom:1px solid var(--line)}
.wrap{max-width:760px;margin:0 auto;padding:0 20px}
nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;flex-wrap:wrap}
.brand{font-weight:800;font-size:18px;color:var(--fg);text-decoration:none}.brand span{color:var(--brand)}
nav .links{display:flex;gap:18px}
nav a{color:var(--muted);text-decoration:none;font-size:15px}nav a:hover,nav a[aria-current]{color:var(--brand)}
main{padding:36px 0 56px}
h1{font-size:32px;line-height:1.2;margin:0 0 6px}
h2{font-size:21px;margin:36px 0 8px}
h3{font-size:17px;margin:22px 0 4px}
p,li{color:var(--fg)}ul{padding-left:22px}li{margin:4px 0}
.meta{color:var(--muted);margin:0 0 24px;font-size:14px}
a{color:var(--brand)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:18px 0}
.card.warn{background:var(--warn);border-color:var(--warnline)}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:.04em}
.btn{display:inline-block;background:var(--brand);color:#fff;padding:12px 20px;border-radius:999px;text-decoration:none;font-weight:700}
.btn:hover{opacity:.9}
ol{padding-left:22px}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px;padding:22px 0}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:24px 0}
.grid a.card{text-decoration:none;color:var(--fg);margin:0}.grid a.card:hover{border-color:var(--brand)}
.grid strong{display:block;margin-bottom:4px}.grid span{color:var(--muted);font-size:15px}