:root{
  --blue:#003C9F;--orange:#F57D18;--ink:#0f1b3d;--muted:#5b6782;--bg:#f7f9ff;--white:#fff;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Poppins',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
.wrap{max-width:820px;margin:0 auto;padding:0 20px}
header{padding:22px 0;border-bottom:1px solid #e6ecff;background:#fff}
.nav{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:0 auto;padding:0 20px}
.brand img{height:40px;display:block}
.nav a.back{color:var(--blue);text-decoration:none;font-weight:600;font-size:15px}
.hero{background:linear-gradient(135deg,var(--blue),#0a2f87);color:#fff;padding:54px 0 46px}
.hero h1{font-size:clamp(28px,5vw,40px);font-weight:800}
.hero p{color:#c7d6ff;margin-top:10px;font-size:15px}
main{padding:48px 0 70px}
main h2{font-size:21px;font-weight:700;color:var(--blue);margin:34px 0 10px}
main h2:first-child{margin-top:0}
main h3{font-size:17px;font-weight:700;margin:22px 0 8px}
main p{color:#333c57;margin:0 0 14px}
main ul{margin:0 0 16px 22px;color:#333c57}
main li{margin-bottom:7px}
main a{color:var(--blue)}
.note{background:#fff;border:1px solid #e6ecff;border-left:4px solid var(--orange);border-radius:12px;padding:16px 18px;margin:18px 0;font-size:14px;color:var(--muted)}
footer{border-top:1px solid #e6ecff;background:#fff;padding:30px 0;color:var(--muted);font-size:13px}
.foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;align-items:center}
footer a{color:var(--muted);text-decoration:none;margin-left:18px}
footer a:hover{color:var(--blue)}
@media(max-width:600px){footer a{margin:0 14px 0 0}}