:root {
  --primary: #14bfed;
  --black: #111111;
  --dark: #1C1C1C;
  --mid: #2B2B2B;
  --light: #F5F5F5;
  --white: #ffffff;
  --text: #202124;
  --muted: #687076;
  --line: rgba(17,17,17,.1);
  --shadow: 0 18px 45px rgba(17,17,17,.08);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--light); color: var(--text); line-height: 1.7; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
header, .site-header { position: sticky; top: 0; z-index: 20; background: var(--primary); box-shadow: 0 8px 26px rgba(0,0,0,.08); }
.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, .footer-logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: .5px; color: var(--black); }
.logo img, .footer-logo img { width: 42px; height: 42px; border-radius: 14px; object-fit: contain; background: #fff; padding: 5px; }
.logo span, .footer-logo span { font-size: 1.25rem; }
nav { position: absolute; top: 72px; left: 0; right: 0; display: none; flex-direction: column; padding: 16px; background: var(--primary); border-top: 1px solid rgba(17,17,17,.12); }
nav a { padding: 11px 14px; border-radius: 16px; font-weight: 700; color: var(--black); }
nav a.active, nav a:hover { background: rgba(255,255,255,.7); }
.nav-toggle { display: none; }
.mobile-nav { width: 42px; height: 42px; border-radius: 16px; display: grid; place-content: center; gap: 5px; cursor: pointer; background: rgba(255,255,255,.55); }
.mobile-nav span { width: 20px; height: 2px; background: var(--black); display: block; }
.nav-toggle:checked ~ nav { display: flex; }
.hero, .banner { padding: 54px 0; background: linear-gradient(135deg, rgba(20,191,237,.20), #fff 60%); }
.hero-grid, .banner-grid { display: grid; gap: 28px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; padding: 6px 12px; border-radius: 999px; background: rgba(20,191,237,.16); color: #065f73; font-weight: 800; font-size: .88rem; }
h1 { margin: 14px 0 14px; font-size: clamp(2rem, 7vw, 4.6rem); line-height: 1.04; letter-spacing: -1.5px; color: var(--black); }
h2 { margin: 0 0 14px; font-size: clamp(1.55rem, 4vw, 2.35rem); line-height: 1.2; color: var(--black); }
h3 { margin: 0 0 10px; color: var(--black); }
p { margin: 0 0 14px; }
.lead { font-size: 1.08rem; color: #3d454a; max-width: 760px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 18px; background: var(--primary); color: var(--black); font-weight: 800; box-shadow: 0 10px 24px rgba(20,191,237,.28); border: 1px solid rgba(17,17,17,.08); }
.btn:hover { transform: translateY(-1px); }
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 20px 0 24px; }
.tag { border-radius: 999px; background: #fff; border: 1px solid rgba(20,191,237,.35); padding: 8px 12px; font-weight: 700; color: #1b5563; }
.hero-card { background: #fff; border-radius: 28px; padding: 18px; box-shadow: var(--shadow); border: 1px solid var(--line); }
.hero-card img { width: 100%; border-radius: 22px; object-fit: cover; background: #eaf9fd; }
section { padding: 42px 0; }
.section-head { max-width: 790px; margin-bottom: 22px; }
.grid { display: grid; gap: 18px; }
.card { background: var(--white); border: 1px solid var(--line); border-radius: 20px; padding: 22px; box-shadow: var(--shadow); }
.card .number { width: 38px; height: 38px; border-radius: 14px; background: rgba(20,191,237,.16); display: inline-grid; place-items: center; font-weight: 900; color: #075f73; margin-bottom: 10px; }
.notice { border-left: 5px solid var(--primary); background: #fff; border-radius: 18px; padding: 18px; box-shadow: var(--shadow); color: #364045; }
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border-radius: 18px; padding: 18px; border: 1px solid var(--line); }
.faq-item h3 { font-size: 1.02rem; }
.link-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.link-row a { padding: 9px 12px; border-radius: 14px; background: rgba(20,191,237,.12); color: #075f73; font-weight: 700; }
.list { padding-left: 20px; margin: 0; }
.list li { margin-bottom: 10px; }
.footer { background: var(--primary); color: var(--black); padding: 40px 0 18px; margin-top: 36px; }
.footer-grid { display: grid; gap: 24px; }
.footer a { display: block; margin: 6px 0; font-weight: 700; }
.footer-bottom { border-top: 1px solid rgba(17,17,17,.14); margin-top: 24px; padding-top: 16px; font-size: .92rem; }
@media (min-width: 768px) {
  nav { position: static; display: flex; flex-direction: row; align-items: center; padding: 0; background: transparent; border: 0; gap: 6px; }
  .mobile-nav { display: none; }
  .hero-grid, .banner-grid { grid-template-columns: 1.1fr .9fr; }
  .grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-grid { grid-template-columns: 1.3fr .7fr 1.2fr; }
}
@media (min-width: 1024px) {
  section { padding: 56px 0; }
  .hero, .banner { padding: 78px 0; }
  .card { padding: 26px; }
}