:root { --primary: #CAE9FE; --primary-strong:#75c9ff; --black:#111111; --deep:#1C1C1C; --mid:#2B2B2B; --light:#F5F5F5; --white:#ffffff; --text:#222; --muted:#626262; --shadow:0 14px 38px rgba(17,17,17,.10); --radius:18px; }
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; font-family:Arial, Helvetica, sans-serif; background:#fff; color:var(--text); line-height:1.68; overflow-x:hidden; }
a { color:inherit; text-decoration:none; }
img { max-width:100%; height:auto; display:block; }
header, .site-header { background:linear-gradient(135deg, #ffffff 0%, var(--primary) 100%); position:sticky; top:0; z-index:30; box-shadow:0 8px 24px rgba(0,0,0,.08); }
.header-inner { width:min(1180px, 92%); margin:auto; display:flex; align-items:center; justify-content:space-between; padding:12px 0; gap:24px; }
.logo img { width:132px; max-height:54px; object-fit:contain; }
.desktop-logo { display:none; }
.mobile-topbar { width:100%; display:grid; grid-template-columns:44px 1fr 44px; align-items:center; }
.mobile-logo { justify-self:center; }
.mobile-menu-toggle { width:42px; height:42px; border:1px solid rgba(17,17,17,.18); border-radius:14px; background:#fff; color:#111; font-size:26px; line-height:1; cursor:pointer; }
.main-nav { display:none; }
.main-nav a { font-weight:700; padding:9px 12px; border-radius:999px; color:#1b1b1b; }
.main-nav a:hover { background:rgba(255,255,255,.72); }
.header-actions { display:none; gap:10px; align-items:center; }
.mobile-actions { width:min(92%, 520px); margin:0 auto 12px; display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.mobile-nav { display:none; width:min(92%, 520px); margin:0 auto 14px; padding:12px; background:#fff; border-radius:18px; box-shadow:var(--shadow); gap:8px; }
.mobile-nav.is-open { display:grid; }
.mobile-nav a { padding:11px 13px; border-radius:12px; background:var(--light); font-weight:700; }
.btn { display:inline-flex; align-items:center; justify-content:center; border:0; border-radius:999px; padding:13px 22px; background:linear-gradient(135deg,var(--primary-strong),#1f93dc); color:#fff; font-weight:800; box-shadow:0 12px 24px rgba(31,147,220,.24); cursor:pointer; }
.btn:hover { transform:translateY(-1px); }
.btn-small { padding:10px 17px; font-size:14px; }
.btn-dark { background:linear-gradient(135deg,#262626,#111111); color:#fff; box-shadow:0 12px 24px rgba(17,17,17,.2); }
.container { width:min(1120px, 92%); margin:auto; }
section { padding:44px 0; }
.hero, .banner { background:radial-gradient(circle at top left, var(--primary) 0, #eef8ff 38%, #fff 75%); padding:54px 0; }
.hero-grid { display:grid; gap:30px; align-items:center; }
.hero h1 { font-size:clamp(32px, 8vw, 62px); line-height:1.05; margin:0 0 18px; color:#121212; letter-spacing:-.04em; }
.hero p { font-size:18px; color:#383838; margin:0 0 20px; }
.tags { display:flex; flex-wrap:wrap; gap:10px; margin:22px 0; }
.tag { padding:8px 12px; background:#fff; border:1px solid rgba(17,17,17,.08); border-radius:999px; font-size:14px; font-weight:700; box-shadow:0 8px 18px rgba(0,0,0,.06); }
.app-card { background:#fff; border-radius:28px; padding:20px; box-shadow:var(--shadow); }
.app-card img { border-radius:22px; width:100%; }
.section-title { margin:0 0 12px; font-size:clamp(25px, 5vw, 40px); line-height:1.15; color:#111; }
.section-lead { color:var(--muted); max-width:760px; margin:0 0 24px; }
.grid { display:grid; gap:18px; }
.card { background:#fff; border:1px solid rgba(17,17,17,.08); border-radius:var(--radius); padding:22px; box-shadow:var(--shadow); }
.card h3 { margin-top:0; color:#111; }
.card p:last-child { margin-bottom:0; }
.notice { background:linear-gradient(135deg, rgba(202,233,254,.95), rgba(255,255,255,.95)); border-left:5px solid var(--primary-strong); border-radius:18px; padding:20px; box-shadow:var(--shadow); }
.faq { display:grid; gap:14px; }
.faq details { background:#fff; border-radius:16px; border:1px solid rgba(17,17,17,.08); padding:16px 18px; box-shadow:0 8px 20px rgba(0,0,0,.06); }
.faq summary { font-weight:800; cursor:pointer; color:#111; }
.content-page { padding:46px 0; }
.content-page h1 { font-size:clamp(30px, 7vw, 52px); line-height:1.12; margin:0 0 16px; }
.breadcrumbs { display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; color:#555; font-weight:700; }
.breadcrumbs a { color:#0f6fb0; }
.steps { counter-reset:step; display:grid; gap:14px; }
.step { counter-increment:step; position:relative; padding-left:58px; }
.step:before { content:counter(step); position:absolute; left:0; top:18px; width:38px; height:38px; border-radius:50%; background:var(--primary-strong); color:#fff; display:grid; place-items:center; font-weight:900; }
.footer { background:#111; color:#f2f2f2; padding-top:40px; }
.footer-grid { display:grid; gap:26px; }
.footer-logo img { width:126px; margin-bottom:14px; }
.footer a { display:block; color:#fff; margin:8px 0; }
.footer p { color:#d2d2d2; }
.age-badge { display:inline-flex; width:52px; height:52px; border-radius:50%; background:var(--primary-strong); color:#111 !important; font-weight:900; align-items:center; justify-content:center; }
.footer-bottom { text-align:center; padding:18px; border-top:1px solid rgba(255,255,255,.12); margin-top:28px; color:#d9d9d9; }
@media (min-width: 768px) {
    .mobile-topbar, .mobile-actions, .mobile-nav { display:none; }
    .desktop-logo { display:block; flex:0 0 auto; }
    .header-inner { padding:14px 0; }
    .main-nav { display:flex; align-items:center; justify-content:center; gap:4px; flex:1; }
    .header-actions { display:flex; }
    .hero-grid { grid-template-columns:1.05fr .95fr; }
    .grid.cols-2 { grid-template-columns:repeat(2, 1fr); }
    .grid.cols-3 { grid-template-columns:repeat(3, 1fr); }
    section { padding:58px 0; }
    .footer-grid { grid-template-columns:1.2fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    .header-inner { width:min(1220px, 90%); gap:34px; }
    .logo img { width:150px; }
    .main-nav a { padding:10px 16px; }
    .hero { padding:78px 0; }
    .card { padding:26px; }
}