:root {
    --primary: #40C6F2;
    --primary-dark: #1499c5;
    --black: #111111;
    --deep: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --muted: #666f7a;
    --shadow: 0 18px 45px rgba(17,17,17,.08);
    --radius: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; color: var(--black); background: #fbfdff; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
header, nav, section, footer, main { display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.96); border-bottom: 1px solid rgba(17,17,17,.08); backdrop-filter: blur(12px); }
.header-inner { min-height: 74px; display: grid; grid-template-columns: 42px 1fr; align-items: center; gap: 10px; }
.logo { display: flex; justify-content: center; align-items: center; }
.logo img { width: 128px; max-height: 48px; object-fit: contain; }
.main-nav { display: none; }
.main-nav a { font-weight: 700; color: var(--mid); padding: 10px 12px; border-radius: 999px; }
.main-nav a:hover { background: rgba(64,198,242,.14); color: var(--black); }
.header-actions { display: none; }
.mobile-menu-toggle { width: 42px; height: 42px; border: 0; border-radius: 14px; background: var(--primary); color: #06212d; font-size: 24px; font-weight: 800; cursor: pointer; line-height: 1; }
.mobile-actions { display: flex; justify-content: center; gap: 10px; padding: 0 0 14px; }
.mobile-nav { display: none; width: min(1120px, calc(100% - 32px)); margin: 0 auto 14px; padding: 12px; border-radius: 18px; background: #ffffff; box-shadow: var(--shadow); }
.mobile-nav.is-open { display: grid; }
.mobile-nav a { padding: 12px 14px; border-radius: 14px; font-weight: 700; color: var(--mid); }
.mobile-nav a:hover { background: rgba(64,198,242,.16); }
.hero, .banner { background: linear-gradient(135deg, rgba(64,198,242,.22), rgba(255,255,255,.96)); }
.hero { padding: 54px 0 34px; }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 800; letter-spacing: .04em; color: #075c78; background: rgba(64,198,242,.22); padding: 8px 13px; border-radius: 999px; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 14px; }
h1 { font-size: clamp(32px, 7vw, 58px); letter-spacing: -.03em; }
h2 { font-size: clamp(26px, 4.8vw, 40px); letter-spacing: -.02em; }
h3 { font-size: 20px; }
p { margin: 0 0 16px; color: #46505a; }
.hero p { font-size: 17px; }
.hero-media { background: #fff; border-radius: 28px; padding: 18px; box-shadow: var(--shadow); }
.hero-media img { border-radius: 22px; width: 100%; object-fit: cover; }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 24px; }
.tag { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 999px; padding: 8px 12px; font-weight: 700; font-size: 14px; color: var(--mid); }
section { padding: 46px 0; }
.section-head { max-width: 760px; margin-bottom: 24px; }
.grid { display: grid; gap: 18px; }
.grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
.card { background: #ffffff; border: 1px solid rgba(17,17,17,.07); border-radius: var(--radius); padding: 22px; box-shadow: 0 12px 32px rgba(17,17,17,.06); }
.card strong { color: var(--black); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 20px; border-radius: 999px; background: linear-gradient(135deg, var(--primary), #78dcff); color: #072130; font-weight: 900; border: 0; box-shadow: 0 12px 26px rgba(64,198,242,.28); cursor: pointer; }
.btn:hover { transform: translateY(-1px); }
.btn-small { min-height: 38px; padding: 9px 16px; font-size: 14px; }
.btn-dark { background: linear-gradient(135deg, #111111, #2B2B2B); color: #fff; box-shadow: 0 10px 22px rgba(17,17,17,.18); }
.notice { border-radius: var(--radius); padding: 20px; background: linear-gradient(135deg, rgba(64,198,242,.18), rgba(245,245,245,.96)); border: 1px solid rgba(64,198,242,.28); color: #26313b; }
.notice strong { color: #064e67; }
.faq { display: grid; gap: 14px; }
.faq details { background: #fff; border: 1px solid rgba(17,17,17,.08); border-radius: 16px; padding: 16px 18px; box-shadow: 0 8px 22px rgba(17,17,17,.04); }
.faq summary { font-weight: 800; cursor: pointer; }
.page-hero { padding: 46px 0 22px; background: linear-gradient(135deg, rgba(64,198,242,.19), rgba(255,255,255,.96)); }
.page-hero p { max-width: 760px; }
ul.clean { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
ul.clean li { padding: 14px 16px; border-radius: 16px; background: #fff; border: 1px solid rgba(17,17,17,.07); }
.inline-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 14px; }
.inline-links a { font-weight: 800; color: #075c78; border-bottom: 2px solid rgba(64,198,242,.45); }
.footer { background: var(--deep); color: #fff; padding: 42px 0 20px; }
.footer p, .footer a { color: rgba(255,255,255,.78); }
.footer h3 { color: #fff; }
.footer-grid { display: grid; gap: 26px; }
.footer-grid a { display: block; margin: 8px 0; }
.footer-logo img { width: 132px; margin-bottom: 12px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 24px; padding-top: 16px; color: rgba(255,255,255,.65); font-size: 14px; }
@media (min-width: 768px) {
    .header-inner { min-height: 82px; grid-template-columns: 170px 1fr auto; gap: 18px; }
    .mobile-menu-toggle, .mobile-actions, .mobile-nav { display: none !important; }
    .logo { justify-content: flex-start; }
    .logo img { width: 142px; }
    .main-nav { display: flex; justify-content: center; gap: 4px; }
    .header-actions { display: flex; gap: 10px; justify-content: flex-end; }
    .hero { padding: 76px 0 54px; }
    .hero-grid { grid-template-columns: 1.1fr .9fr; }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    .container { width: min(1180px, calc(100% - 56px)); }
    .header-inner { grid-template-columns: 190px 1fr 240px; }
    .main-nav { gap: 8px; }
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
    section { padding: 62px 0; }
}