*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;color:#17202a;background:#f7f8fa;line-height:1.6}
a{color:#0b5fff;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
header.site{background:#0f1b2d;color:#fff;padding:16px 0}header.site .wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.logo{font-weight:800;color:#fff;font-size:20px}.logo span{color:#5ac8fa}
nav a{color:#dbeafe;margin-left:16px;font-size:14px}
.hero{background:#fff;border-bottom:1px solid #e5e7eb;padding:36px 0 28px}
h1{font-size:34px;line-height:1.2;margin:0 0 12px}h2{font-size:24px;margin:32px 0 12px}h3{font-size:18px;margin:22px 0 8px}
.lead{font-size:18px;color:#374151;max-width:760px}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:22px;margin:22px 0;box-shadow:0 2px 10px rgba(0,0,0,.04)}
label{font-weight:600;display:block;margin:14px 0 6px}
select{width:100%;padding:12px;border:1px solid #cbd5e1;border-radius:10px;font-size:16px;background:#fff}
button.check{margin-top:20px;width:100%;padding:14px;background:#0b5fff;color:#fff;border:0;border-radius:10px;font-size:17px;font-weight:700;cursor:pointer}
button.check:hover{background:#084dcc}
#result{margin-top:20px;padding:18px;border-radius:10px;display:none}
#result.can{display:block;background:#ecfdf5;border:1px solid #10b981}
#result.cannot{display:block;background:#fef2f2;border:1px solid #ef4444}
#result .verdict{font-size:22px;font-weight:800}
table{border-collapse:collapse;width:100%;overflow-x:auto;display:block;background:#fff}
th,td{border:1px solid #e5e7eb;padding:8px 10px;text-align:center;font-size:14px;white-space:nowrap}th{background:#f1f5f9}
.yes{color:#047857;font-weight:700}.no{color:#b91c1c}
.note{background:#fffbeb;border:1px solid #f59e0b;border-radius:10px;padding:14px 16px;margin:18px 0}
.small{font-size:13px;color:#6b7280}
footer.site{margin-top:48px;background:#0f1b2d;color:#cbd5e1;padding:28px 0;font-size:14px}footer.site a{color:#93c5fd;margin-right:16px}
.affiliate-box{background:#eff6ff;border:1px dashed #3b82f6;border-radius:10px;padding:16px;margin:20px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}.grid .card{margin:0}
@media(max-width:640px){h1{font-size:27px}header.site .wrap{display:block}nav a{margin:0 12px 0 0}}