/* 思凝一云设计系统 v1.0 */

:root {
  --primary: #4A90E2;
  --primary-dark: #1E3A5F;
  --secondary: #00C9A7;
}

.hero-banner {
  background: linear-gradient(135deg, #0A1628 0%, #1E3A5F 50%, #2E5A8B 100%);
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
}

.banner-title { font-size: 3.5rem; font-weight: 800; margin-bottom: 1.5rem; }
.banner-subtitle { font-size: 1.5rem; color: var(--primary); margin-bottom: 2rem; }

.product-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transition: all 0.3s ease;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.btn-primary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, #4A90E2 0%, #00C9A7 100%);
  color: #fff;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
}

/* 菜单优化样式 */
.navbar-menu .nav > li > a:hover {
    background: linear-gradient(135deg, #4A90E2 0%, #00C9A7 100%) !important;
    color: #fff !important;
    transform: translateY(-2px);
}

.navbar-menu .dropdown-menu {
    border-radius: 12px !important;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15) !important;
}

.navbar-menu .nav > li:nth-child(1) > a::before { content: 🏠 ; }
.navbar-menu .nav > li:nth-child(2) > a::before { content: 🏢 ; }
.navbar-menu .nav > li:nth-child(3) > a::before { content: 🔬 ; }
.navbar-menu .nav > li:nth-child(4) > a::before { content: 📦 ; }
.navbar-menu .nav > li:nth-child(5) > a::before { content: 📞 ; }