:root {
    --primary: #269CD7;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --text: #202124;
    --muted: #62666d;
    --shadow: 0 12px 32px rgba(17, 17, 17, 0.08);
    --radius: 18px;
}
* { box-sizing: border-box; }
body { margin:0; font-family: Arial, Helvetica, sans-serif; color:var(--text); background:var(--light); line-height:1.65; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; display:block; }
header, .site-header { background:var(--primary); color:var(--white); position:sticky; top:0; z-index:20; box-shadow:0 8px 24px rgba(0,0,0,.12); }
.container { width:min(1120px, calc(100% - 32px)); margin:0 auto; }
.header-inner { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:18px; }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; letter-spacing:.5px; }
.logo img { width:42px; height:42px; object-fit:contain; border-radius:10px; background:#fff; padding:4px; }
nav { display:none; gap:8px; align-items:center; }
nav a { padding:10px 14px; border-radius:999px; font-weight:700; color:#fff; }
nav a:hover { background:rgba(255,255,255,.18); }
.nav-toggle { display:none; }
.mobile-nav { width:44px; height:44px; border-radius:14px; background:rgba(255,255,255,.16); display:flex; flex-direction:column; justify-content:center; gap:5px; padding:0 11px; cursor:pointer; }
.mobile-nav span { height:2px; background:#fff; border-radius:2px; }
.nav-toggle:checked ~ nav { position:absolute; left:16px; right:16px; top:78px; display:grid; background:var(--dark); padding:14px; border-radius:18px; box-shadow:var(--shadow); }
.hero, .banner { background:linear-gradient(135deg, #ffffff 0%, #eef8ff 48%, rgba(38,156,215,.18) 100%); }
.hero { padding:48px 0 34px; }
.banner { display:grid; gap:28px; align-items:center; border-radius:28px; padding:28px; box-shadow:var(--shadow); }
.hero h1, h1 { color:var(--black); font-size:clamp(30px, 7vw, 58px); line-height:1.12; margin:0 0 16px; }
h2 { font-size:clamp(24px, 4vw, 36px); line-height:1.2; margin:0 0 14px; color:var(--black); }
h3 { margin:0 0 10px; color:var(--black); }
p { margin:0 0 14px; }
.hero-text p { font-size:1.06rem; color:#343840; }
.badges { display:flex; flex-wrap:wrap; gap:10px; margin:22px 0; }
.badge, .tag { display:inline-flex; align-items:center; padding:8px 12px; background:rgba(38,156,215,.12); color:#0f4f70; border:1px solid rgba(38,156,215,.2); border-radius:999px; font-weight:700; font-size:.92rem; }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:46px; padding:12px 20px; border-radius:999px; background:var(--primary); color:#fff; font-weight:800; box-shadow:0 10px 22px rgba(38,156,215,.28); border:0; }
.btn:hover { transform:translateY(-1px); }
section { padding:34px 0; }
.section-title { max-width:760px; margin-bottom:18px; }
.grid { display:grid; gap:18px; }
.card { background:#fff; border-radius:var(--radius); padding:22px; box-shadow:var(--shadow); border:1px solid rgba(17,17,17,.05); }
.card ul, .card ol { padding-left:20px; margin:10px 0 0; }
.notice { background:#fff7e8; border-left:5px solid var(--primary); padding:18px; border-radius:16px; color:#2b2b2b; box-shadow:var(--shadow); }
.faq { display:grid; gap:14px; }
.faq details { background:#fff; border-radius:16px; padding:18px 20px; box-shadow:var(--shadow); }
.faq summary { cursor:pointer; font-weight:800; color:var(--black); }
.links { display:flex; flex-wrap:wrap; gap:12px; margin-top:16px; }
.links a { color:#0f5d87; font-weight:800; }
.footer { background:var(--dark); color:#fff; margin-top:36px; padding:34px 0; }
.footer-grid { display:grid; gap:22px; }
.footer-brand { font-size:1.5rem; font-weight:900; margin-bottom:8px; }
.footer p { color:#d9d9d9; }
.footer-links { display:grid; gap:8px; }
.footer-links a { color:#fff; font-weight:700; }
.footer-warning { background:rgba(255,255,255,.08); padding:18px; border-radius:18px; }
.kicker { color:#0f5d87; font-weight:900; text-transform:uppercase; letter-spacing:.08em; font-size:.82rem; margin-bottom:10px; }
.image-card { background:#fff; border-radius:24px; padding:18px; box-shadow:var(--shadow); }
.image-card img { border-radius:18px; margin:auto; }
@media (min-width: 768px) {
    nav { display:flex; }
    .mobile-nav { display:none; }
    .banner { grid-template-columns:1.18fr .82fr; padding:42px; }
    .grid.two { grid-template-columns:repeat(2, 1fr); }
    .grid.three { grid-template-columns:repeat(3, 1fr); }
    .footer-grid { grid-template-columns:1.2fr .7fr 1.1fr; }
}
@media (min-width: 1024px) {
    .hero { padding:62px 0 46px; }
    section { padding:46px 0; }
    .grid.four { grid-template-columns:repeat(4, 1fr); }
    .card { padding:26px; }
}