*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.65 -apple-system,"Segoe UI",Roboto,Arial,sans-serif;color:#1d2433;background:#f6f8fb}
a{color:#2563eb;text-decoration:none}a:hover{text-decoration:underline}.w{max-width:1080px;margin:0 auto;padding:0 20px}
header{background:#fff;border-bottom:1px solid #e3e8ef;position:sticky;top:0;z-index:5}header .w{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-weight:700;font-size:21px;color:#0f172a}.logo b{color:#2563eb}.logo:hover{text-decoration:none}nav a{margin-left:22px;color:#475569;font-size:15px}nav a.on{color:#2563eb;font-weight:600}
.hero{background:linear-gradient(135deg,#0f2a5c,#2563eb);color:#fff;padding:72px 0}.hero h1{font-size:40px;margin:0 0 14px;line-height:1.2}.hero p{font-size:18px;max-width:620px;opacity:.93;margin:0 0 28px}
.page{background:#fff;border-bottom:1px solid #e3e8ef;padding:34px 0}.page h1{margin:0;font-size:32px}.page p{margin:6px 0 0;color:#64748b}
.btn{display:inline-block;background:#fff;color:#0f2a5c;padding:12px 26px;border-radius:8px;font-weight:600;margin-right:10px}.btn:hover{text-decoration:none;background:#eaf0ff}.btn.d{background:#2563eb;color:#fff}.btn.d:hover{background:#1d4fd8}
.btn.o{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
h2{font-size:26px;margin:48px 0 20px}h3{margin:0 0 6px;font-size:18px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:18px}
.card{background:#fff;border:1px solid #e3e8ef;border-radius:12px;padding:22px}.card.hl{border-color:#2563eb;box-shadow:0 4px 18px rgba(37,99,235,.13)}
.price{font-size:28px;font-weight:700;color:#0f172a;margin:10px 0}.price small{font-size:14px;color:#64748b;font-weight:400}
.card ul{list-style:none;padding:0;margin:0 0 14px;color:#475569;font-size:15px}.card li{padding:3px 0}.card p{color:#475569;margin:6px 0 0;font-size:15px}
.tag{display:inline-block;background:#e8f0ff;color:#2563eb;font-size:12px;font-weight:600;padding:2px 9px;border-radius:20px;margin-bottom:6px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e3e8ef;border-radius:12px;overflow:hidden;font-size:15px}th,td{padding:11px 14px;text-align:left;border-bottom:1px solid #eef1f6}th{background:#f1f5fb;color:#334155}
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}.steps .card{position:relative;padding-top:50px}.steps .card:before{counter-increment:s;content:counter(s);position:absolute;top:14px;left:22px;width:28px;height:28px;border-radius:50%;background:#2563eb;color:#fff;text-align:center;line-height:28px;font-weight:700;font-size:14px}
details{background:#fff;border:1px solid #e3e8ef;border-radius:10px;padding:14px 18px;margin-bottom:10px}summary{cursor:pointer;font-weight:600}details p{margin:10px 0 0;color:#475569}
.prose{background:#fff;border:1px solid #e3e8ef;border-radius:12px;padding:26px 30px;margin-top:28px}.prose h3{margin-top:22px}.prose p{color:#475569}
.cta{background:#0f172a;color:#fff;border-radius:14px;padding:34px;margin-top:50px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.cta h3{font-size:22px;margin:0}.cta p{margin:4px 0 0;color:#94a3b8}
footer{background:#0f172a;color:#94a3b8;margin-top:60px;padding:34px 0;font-size:14px}footer a{color:#cbd5e1}footer .c{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:640px){nav a{margin-left:12px;font-size:14px}.hero h1{font-size:30px}.hero{padding:48px 0}}