*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,Helvetica,sans-serif;background:#fff;color:#1f2937;line-height:1.7}
.container{width:90%;max-width:1160px;margin:auto}
header{background:#0f172a;color:#fff;padding:18px 0}
.nav{display:flex;justify-content:space-between;align-items:center;gap:20px}
.logo{font-size:22px;font-weight:700;letter-spacing:.3px}
nav a{color:#fff;text-decoration:none;margin-left:18px;font-size:15px}
.hero{background:#f8fafc;padding:88px 0;text-align:center}
.hero h1{font-size:44px;color:#0f172a;margin-bottom:18px}
.hero p{max-width:850px;margin:auto;font-size:18px;color:#4b5563}
.btn{display:inline-block;margin-top:28px;background:#0f172a;color:#fff;text-decoration:none;padding:13px 30px;border-radius:6px}
.section{padding:64px 0}
.section.alt{background:#f8fafc}
h2{font-size:32px;color:#0f172a;margin-bottom:24px;text-align:center}
h3{font-size:21px;color:#0f172a;margin-bottom:12px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{border:1px solid #e5e7eb;background:#fff;border-radius:8px;padding:28px}
.info-box{max-width:900px;margin:auto;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:30px}
.info-box p{margin-bottom:10px}
.content{max-width:920px;margin:auto}
.content p{margin-bottom:16px}
.content ul{margin-left:22px;margin-bottom:16px}
.contact-box{max-width:760px;margin:auto;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:30px}
.notice{background:#f8fafc;border-left:4px solid #0f172a;padding:18px;margin:22px 0}
footer{background:#0f172a;color:#fff;text-align:center;padding:28px 0;margin-top:40px}
@media(max-width:768px){.nav{flex-direction:column;align-items:flex-start}nav a{display:inline-block;margin:6px 12px 0 0}.hero h1{font-size:32px}.hero{padding:60px 0}h2{font-size:27px}}