:root {
    --primary: #47adf9;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 14px 35px rgba(17,17,17,.09);
    --radius: 18px;
}
* { box-sizing: border-box; }
body { margin:0; font-family: Arial, Helvetica, sans-serif; background: var(--light); color: var(--dark); 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: var(--white); position: sticky; top:0; z-index: 50; box-shadow: 0 8px 24px rgba(0,0,0,.07); }
.header-inner { display:none; align-items:center; justify-content:space-between; gap:28px; min-height:82px; }
.logo img { width:126px; max-height:54px; object-fit:contain; }
.main-nav { display:flex; align-items:center; gap:28px; font-weight:700; color:var(--dark); }
.main-nav a { padding:10px 0; border-bottom:2px solid transparent; }
.main-nav a:hover { color:var(--primary); border-color:var(--primary); }
.header-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.btn { display:inline-flex; align-items:center; justify-content:center; padding:13px 24px; border-radius:999px; background:linear-gradient(135deg, var(--primary), #1f6fd8); color:#fff; font-weight:800; border:0; box-shadow:0 12px 24px rgba(71,173,249,.28); text-align:center; }
.btn:hover { transform: translateY(-1px); }
.btn-small { padding:10px 20px; font-size:14px; }
.btn-soft { background:linear-gradient(135deg, #2B2B2B, #111111); }
.mobile-top { display:flex; align-items:center; justify-content:center; padding:12px 16px 8px; position:relative; }
.mobile-menu-toggle { position:absolute; left:16px; top:18px; width:42px; height:42px; border-radius:12px; border:1px solid rgba(0,0,0,.1); background:#fff; font-size:24px; color:var(--dark); }
.mobile-logo img { width:112px; margin:0 auto; }
.mobile-actions { display:flex; align-items:center; justify-content:center; gap:12px; padding:0 16px 12px; }
.mobile-actions .btn { min-width:126px; }
.mobile-nav { display:none; background:#fff; padding:8px 16px 16px; border-top:1px solid rgba(0,0,0,.06); }
.nav-open .mobile-nav { display:grid; gap:8px; }
.mobile-nav a { padding:12px 14px; border-radius:14px; background:var(--light); font-weight:700; }
.hero { padding:46px 0 28px; background:linear-gradient(140deg, #ffffff 0%, #eef8ff 55%, #dff1ff 100%); }
.banner { display:grid; gap:28px; align-items:center; }
.hero h1 { font-size:34px; line-height:1.16; margin:0 0 16px; color:var(--black); letter-spacing:-.5px; }
.lead { font-size:18px; color:#404040; margin-bottom:22px; }
.tags { display:flex; flex-wrap:wrap; gap:10px; margin:22px 0; }
.tag { background:rgba(71,173,249,.13); color:#135e98; padding:9px 12px; border-radius:999px; font-weight:700; font-size:13px; }
.hero-visual { background:#fff; border-radius:24px; padding:18px; box-shadow:var(--shadow); }
section { padding:36px 0; }
.section-title { margin:0 0 18px; font-size:28px; color:var(--black); }
.card { background:#fff; border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); border:1px solid rgba(0,0,0,.04); }
.grid { display:grid; grid-template-columns:1fr; gap:18px; }
.notice { border-left:5px solid var(--primary); background:#fff; border-radius:var(--radius); padding:20px; box-shadow:var(--shadow); margin:22px 0; }
.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); }
.page-hero { padding:38px 0; background:linear-gradient(120deg, #fff, #edf8ff); }
.page-hero h1 { margin:0; font-size:32px; color:var(--black); }
.breadcrumb { color:#5c6470; margin-top:8px; }
.steps { counter-reset: step; display:grid; gap:14px; }
.step { position:relative; padding-left:58px; }
.step:before { counter-increment: step; content: counter(step); position:absolute; left:18px; top:20px; width:28px; height:28px; border-radius:50%; background:var(--primary); color:#fff; display:grid; place-items:center; font-weight:800; }
.footer { background:var(--dark); color:#e9e9e9; padding:42px 0; margin-top:40px; }
.footer-grid { display:grid; grid-template-columns:1fr; gap:24px; }
.footer a { display:block; color:#fff; margin:7px 0; }
.footer-logo img { width:120px; margin-bottom:12px; }
.footer h3 { color:#fff; margin-top:0; }
.age { display:inline-flex; width:50px; height:50px; align-items:center; justify-content:center; border-radius:50%; background:var(--primary); color:#fff; font-weight:900; font-size:18px; }
.inline-links { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.inline-links a { color:#155b94; font-weight:700; background:rgba(71,173,249,.11); padding:8px 12px; border-radius:12px; }
@media (min-width: 768px) {
    .mobile-top, .mobile-actions, .mobile-nav { display:none !important; }
    .header-inner { display:flex; }
    .banner { grid-template-columns:1.08fr .92fr; }
    .hero h1 { font-size:44px; }
    .grid { grid-template-columns:repeat(2, 1fr); }
    .footer-grid { grid-template-columns:1.2fr .8fr 1fr; }
}
@media (min-width: 1024px) {
    .container { width:min(1180px, calc(100% - 64px)); }
    .header-inner { min-height:88px; gap:36px; }
    .logo img { width:148px; }
    .hero { padding:64px 0 42px; }
    .hero h1 { font-size:52px; }
    .grid.three { grid-template-columns:repeat(3, 1fr); }
}