:root{--brand:#1F5BFF;--brand2:#5B8CFF;--ink:#0D1B2E;--muted:#5A6A82;--bg:#F6F8FD;--card:#fff;--line:#DDE4F0;--accent:#F29F05}
@media (prefers-color-scheme:dark){:root{--ink:#E8EEFA;--muted:#94A3BC;--bg:#0B1220;--card:#121B2E;--line:#26324A}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:var(--bg)}
header{background:linear-gradient(135deg,var(--brand),#3A2BFF 60%,var(--brand2));color:#fff;padding:40px 20px 72px}
header .wrap{max-width:820px;margin:0 auto}
.logo{font-weight:900;font-style:italic;font-size:30px;letter-spacing:-1px}
.logo span{color:var(--accent)}
h1{font-size:clamp(28px,6vw,40px);line-height:1.15;margin:18px 0 6px;letter-spacing:-.5px}
header p{margin:0;opacity:.85}
main{max-width:820px;margin:-48px auto 40px;padding:0 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:28px 24px;box-shadow:0 12px 40px rgba(13,27,46,.08)}
h2{font-size:20px;margin:32px 0 8px;letter-spacing:-.2px}
h2:first-child{margin-top:0}
h3{font-size:16px;margin:20px 0 4px}
p,li{color:var(--ink)}
.muted{color:var(--muted);font-size:14px}
ul{padding-left:22px}
li{margin:4px 0}
a{color:var(--brand2)}
nav{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
nav a{color:#fff;text-decoration:none;background:rgba(255,255,255,.16);padding:8px 14px;border-radius:999px;font-weight:600;font-size:14px}
nav a[aria-current]{background:#fff;color:var(--brand)}
.box{background:var(--bg);border-left:4px solid var(--brand);border-radius:12px;padding:12px 16px;margin:16px 0}
table{width:100%;border-collapse:collapse;font-size:15px;margin:12px 0}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
footer{text-align:center;color:var(--muted);font-size:13px;padding:0 16px 40px}