:root{
  --navy:#0C2A5C; --blue:#1D6DE5; --bg:#F4F6FA; --surface:#FFFFFF;
  --text:#101B33; --text2:#5A6880; --text3:#8B96AB; --border:#E4E9F2;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;font-size:16px;
}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}
header.top{
  background:var(--navy);color:#fff;padding:18px 22px;
  display:flex;align-items:center;gap:12px;
}
header.top .brand{font-weight:800;font-size:18px;letter-spacing:-.3px}
header.top .brand span{color:#7FB0F5}
header.top nav{margin-left:auto;display:flex;gap:18px;font-size:14px}
header.top nav a{color:#C9DAF5}
.wrap{max-width:820px;margin:0 auto;padding:40px 22px 80px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:32px 28px}
h1{font-size:28px;line-height:1.25;color:var(--navy);margin:0 0 6px;letter-spacing:-.5px}
.updated{color:var(--text3);font-size:13px;margin:0 0 24px}
h2{font-size:19px;color:var(--navy);margin:30px 0 8px}
h3{font-size:16px;color:var(--text);margin:20px 0 6px}
p,li{color:var(--text2)}
ul{padding-left:20px}
li{margin:4px 0}
.note{background:#F3F8FF;border:1px solid #C9DAF5;border-radius:12px;padding:14px 16px;color:#33405a;font-size:14.5px;margin:20px 0}
.hero{background:linear-gradient(160deg,#0F3572,#0C2A5C);border-radius:20px;padding:40px 28px;color:#fff;text-align:center}
.hero h1{color:#fff}
.hero p{color:#A9BEDF;max-width:520px;margin:10px auto 0}
.badge{display:inline-block;background:rgba(127,176,245,.18);color:#7FB0F5;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;letter-spacing:.5px;margin-bottom:14px}
.btnrow{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.btn{background:var(--blue);color:#fff;font-weight:600;padding:12px 22px;border-radius:12px;display:inline-block}
.btn.ghost{background:rgba(255,255,255,.10);color:#fff}
footer{max-width:820px;margin:0 auto;padding:24px 22px 60px;color:var(--text3);font-size:13px;text-align:center}
footer a{color:var(--text3)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px}
@media(max-width:560px){.grid{grid-template-columns:1fr}}
.feat{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px}
.feat b{color:var(--text);display:block;margin-bottom:2px}
.feat span{font-size:14px}