* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: #1f2933; line-height: 1.65; background: #ffffff; }
.container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }
.site-header { background: #0f2439; padding: 18px 0; position: sticky; top: 0; z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
.logo { color: #ffffff; font-size: 1.35rem; font-weight: 700; text-decoration: none; letter-spacing: 0.3px; }
.logo span { color: #4da3ff; }
.nav { display: flex; gap: 24px; }
.nav a { color: #c9d8e8; text-decoration: none; font-size: 0.95rem; }
.nav a:hover { color: #ffffff; }
.hero { background: linear-gradient(135deg, #0f2439 0%, #1b4a6b 100%); color: #ffffff; padding: 90px 0; }
.hero h1 { font-size: 2.4rem; line-height: 1.25; max-width: 760px; font-weight: 700; }
.lead { margin: 22px 0 32px; font-size: 1.15rem; color: #d4e4f4; max-width: 680px; }
.btn { display: inline-block; background: #4da3ff; color: #0f2439; padding: 13px 30px; border-radius: 6px; text-decoration: none; font-weight: 600; }
.btn:hover { background: #6cb3ff; }
.section { padding: 70px 0; }
.section.alt { background: #f4f7fa; }
.section h2 { font-size: 1.8rem; margin-bottom: 32px; color: #0f2439; }
.section p { margin-bottom: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 20px; }
.card { background: #ffffff; border: 1px solid #e2e8f0; border-radius: 8px; padding: 24px; }
.card h3 { font-size: 1.05rem; margin-bottom: 10px; color: #0f2439; }
.card p { font-size: 0.93rem; color: #52606d; margin-bottom: 0; }
.card.num { text-align: center; }
.card.num b { font-size: 2rem; color: #1b4a6b; display: block; margin-bottom: 6px; }
.contact-line { font-size: 1.02rem; }
.contact-line a { color: #1b4a6b; }
.site-footer { background: #0f2439; color: #8fa3b8; padding: 26px 0; font-size: 0.9rem; }
@media (max-width: 640px) {
  .hero { padding: 56px 0; }
  .hero h1 { font-size: 1.7rem; }
  .nav { gap: 14px; flex-wrap: wrap; }
}