* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif; line-height: 1.6; color: #333; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.header { background: #fff; box-shadow: 0 2px 10px rgba(0,0,0,0.1); position: fixed; width: 100%; top: 0; z-index: 1000; }
.nav { display: flex; justify-content: space-between; align-items: center; height: 70px; }
.logo { font-size: 1.4rem; font-weight: bold; color: #2563eb; }
.nav-links { display: flex; list-style: none; gap: 30px; }
.nav-links a { text-decoration: none; color: #333; font-weight: 500; transition: color 0.3s; }
.nav-links a:hover { color: #2563eb; }
.hero { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: #fff; padding: 150px 0 100px; text-align: center; }
.hero h1 { font-size: 3rem; margin-bottom: 20px; }
.slogan { font-size: 1.3rem; opacity: 0.9; margin-bottom: 40px; }
.btn { display: inline-block; padding: 14px 40px; border-radius: 50px; text-decoration: none; font-weight: 600; transition: transform 0.3s; }
.btn-primary { background: #fff; color: #667eea; }
.btn:hover { transform: translateY(-2px); }
section { padding: 80px 0; }
section h2 { text-align: center; font-size: 2.2rem; margin-bottom: 50px; color: #1a1a2e; }
.about p { max-width: 800px; margin: 0 auto; font-size: 1.1rem; color: #555; text-align: center; }
.services { background: #f8fafc; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.service-card { background: #fff; padding: 40px 30px; border-radius: 12px; text-align: center; box-shadow: 0 4px 20px rgba(0,0,0,0.05); transition: transform 0.3s; }
.service-card:hover { transform: translateY(-5px); }
.service-icon { font-size: 2.5rem; color: #667eea; margin-bottom: 20px; }
.service-card h3 { margin-bottom: 15px; color: #1a1a2e; }
.service-card p { color: #666; font-size: 0.95rem; }
.contact { background: #1a1a2e; color: #fff; }
.contact h2 { color: #fff; }
.contact-info { max-width: 600px; margin: 0 auto; }
.contact-item { display: flex; justify-content: space-between; padding: 20px 0; border-bottom: 1px solid rgba(255,255,255,0.1); }
.contact-item .label { color: #94a3b8; }
.footer { background: #0f0f1a; color: #94a3b8; text-align: center; padding: 30px 0; font-size: 0.9rem; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 120px 0 80px; }
  section { padding: 60px 0; }
}