:root { --primary: #3caae1; --black:#111111; --dark:#1C1C1C; --mid:#2B2B2B; --light:#F5F5F5; --white:#ffffff; --radius:18px; --shadow:0 14px 40px rgba(17,17,17,.08); }
* { box-sizing:border-box; }
html, body { margin:0; padding:0; overflow-x:hidden; }
body { font-family: Arial, Helvetica, sans-serif; color:var(--black); background:#fafafa; line-height:1.65; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; height:auto; display:block; }
.container { width:min(1120px, calc(100% - 32px)); margin:0 auto; }
.site-header { background:#fff; border-bottom:1px solid rgba(17,17,17,.08); position:sticky; top:0; z-index:20; box-shadow:0 8px 28px rgba(17,17,17,.05); }
.header-inner { display:none; }
.mobile-top { display:grid; grid-template-columns:44px 1fr 44px; align-items:center; gap:8px; padding:12px 16px 8px; }
.logo { display:flex; align-items:center; }
.logo img { height:48px; width:auto; max-width:160px; object-fit:contain; }
.mobile-logo { justify-content:center; }
.mobile-menu-toggle { width:42px; height:42px; border:1px solid rgba(17,17,17,.12); border-radius:12px; background:#fff; font-size:22px; color:var(--dark); cursor:pointer; }
.mobile-spacer { display:block; }
.mobile-actions { display:flex; align-items:center; justify-content:center; gap:10px; padding:0 16px 12px; }
.mobile-nav { display:none; flex-direction:column; gap:4px; padding:8px 16px 16px; background:#fff; border-top:1px solid rgba(17,17,17,.06); }
.nav-open .mobile-nav { display:flex; }
.mobile-nav a, .main-nav a { font-weight:700; color:#202020; padding:10px 12px; border-radius:12px; }
.mobile-nav a:hover, .main-nav a:hover { background:rgba(60,170,225,.12); color:var(--primary); }
.btn { display:inline-flex; align-items:center; justify-content:center; min-height:44px; padding:12px 22px; border-radius:999px; background:linear-gradient(135deg, var(--primary), #1c7fb5); color:#fff; font-weight:800; box-shadow:0 12px 28px rgba(60,170,225,.26); border:0; text-align:center; }
.btn:hover { transform:translateY(-1px); }
.btn-small { min-height:38px; padding:9px 18px; font-size:14px; }
.btn-alt { background:linear-gradient(135deg, #2B2B2B, var(--primary)); }
.hero, .banner { background:linear-gradient(135deg, rgba(60,170,225,.96), #123450); color:#fff; }
.hero { padding:42px 0; }
.banner { border-radius:26px; padding:28px; box-shadow:var(--shadow); overflow:hidden; }
.hero-grid { display:grid; gap:26px; align-items:center; }
h1 { font-size:clamp(30px, 7vw, 56px); line-height:1.08; margin:0 0 16px; letter-spacing:-.03em; }
h2 { font-size:clamp(24px, 4vw, 36px); line-height:1.18; margin:0 0 14px; }
h3 { margin:0 0 10px; font-size:20px; }
p { margin:0 0 14px; }
.tags { display:flex; flex-wrap:wrap; gap:10px; margin:18px 0 24px; }
.tag { background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.22); color:#fff; padding:8px 12px; border-radius:999px; font-weight:700; font-size:14px; }
.hero-image { background:rgba(255,255,255,.14); border-radius:24px; padding:18px; }
section { padding:44px 0; }
.section-muted { background:var(--light); }
.grid { display:grid; gap:18px; }
.grid-2, .grid-3 { grid-template-columns:1fr; }
.card { background:#fff; border-radius:var(--radius); padding:22px; box-shadow:var(--shadow); border:1px solid rgba(17,17,17,.06); }
.card strong { color:var(--primary); }
.notice { border-left:5px solid var(--primary); background:rgba(60,170,225,.10); padding:18px; border-radius:16px; margin:20px 0; }
.faq { display:grid; gap:14px; }
.faq .card h3 { color:var(--primary); }
.cta-box { text-align:center; background:#fff; border-radius:26px; padding:30px; box-shadow:var(--shadow); }
.link-row { display:flex; flex-wrap:wrap; gap:12px; margin-top:16px; }
.link-row a { color:var(--primary); font-weight:800; }
ol.steps { padding-left:20px; }
ol.steps li { margin-bottom:12px; }
.footer { background:var(--dark); color:#fff; padding:42px 0; }
.footer-grid { display:grid; gap:24px; }
.footer a { display:block; color:#fff; opacity:.9; margin:6px 0; }
.footer p { color:rgba(255,255,255,.82); }
.footer-logo img { height:48px; margin-bottom:14px; }
@media (min-width:768px) {
    .mobile-top, .mobile-actions, .mobile-nav { display:none !important; }
    .header-inner { width:min(1160px, calc(100% - 48px)); margin:0 auto; min-height:78px; display:grid; grid-template-columns:auto 1fr auto; align-items:center; gap:28px; }
    .main-nav { display:flex; align-items:center; justify-content:center; gap:4px; }
    .header-actions { display:flex; align-items:center; gap:10px; }
    .logo img { height:54px; max-width:180px; }
    .hero { padding:58px 0; }
    .hero-grid { grid-template-columns:1.1fr .9fr; }
    .grid-2 { grid-template-columns:repeat(2, minmax(0,1fr)); }
    .grid-3 { grid-template-columns:repeat(3, minmax(0,1fr)); }
    .footer-grid { grid-template-columns:1.2fr .8fr 1.2fr; }
}
@media (min-width:1024px) {
    .header-inner { min-height:86px; gap:42px; }
    .main-nav { gap:12px; }
    .banner { padding:42px; }
    section { padding:62px 0; }
}