<style>
    *{margin:0;padding:0;box-sizing:border-box;font-family:system-ui,'Segoe UI',Roboto,sans-serif;}
    body{background:#f5f9ff;color:#1a2b4c;line-height:1.5;}
    .container{max-width:1280px;margin:0 auto;padding:0 24px;}
    :root{--primary:#0a66c2;--primary-dark:#004182;--secondary:#e8f0fe;--white:#fff;--text-dark:#0b2545;}
    a{text-decoration:none;color:inherit;}
    header{background:var(--white);box-shadow:0 4px 12px rgba(0,65,130,0.08);position:sticky;top:0;z-index:100;}
    .header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 0;}
    .logo a{font-size:28px;font-weight:800;background:linear-gradient(135deg,#0a66c2,#3b8fd9);-webkit-background-clip:text;background-clip:text;color:transparent;}
    .nav-links{display:flex;gap:32px;font-weight:600;}
    .nav-links a{padding:8px 0;border-bottom:3px solid transparent;}
    .nav-links a.active,.nav-links a:hover{border-bottom-color:var(--primary);color:var(--primary);}
    .btn{background:var(--primary);color:white;font-weight:600;padding:12px 28px;border-radius:60px;box-shadow:0 8px 18px rgba(10,102,194,0.2);display:inline-block;}
    .btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary);}
    section{padding:60px 0;}
    .section-title{font-size:2.2rem;font-weight:700;text-align:center;margin-bottom:24px;}
    .grid-download{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;}
    .card{background:white;border-radius:28px;padding:28px 16px;box-shadow:0 12px 28px rgba(0,51,102,0.06);text-align:center;}
    .icon-lg{font-size:40px;color:var(--primary);margin-bottom:20px;}
    details{background:white;border-radius:20px;padding:18px 24px;margin-bottom:12px;box-shadow:0 4px 10px rgba(0,0,0,0.02);}
    summary{font-weight:700;cursor:pointer;display:flex;justify-content:space-between;}
    summary::after{content:'+';font-size:24px;color:var(--primary);}
    details[open] summary::after{content:'−';}
    .faq-answer{padding-top:16px;}
    footer{background:#0a2540;color:#ccdcec;padding:50px 0 30px;}
    .footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;}
    .copyright{text-align:center;margin-top:40px;padding-top:20px;border-top:1px solid #1f3a5a;}
    @media (max-width:768px){.header-inner{flex-direction:column;}.grid-download{grid-template-columns:1fr;}}
    .inline-links{display:flex;gap:30px;justify-content:center;margin-top:30px;}
  </style>