@layer utilities {
  .content-auto {
    content-visibility: auto;
  }
  .text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  .text-shadow-lg {
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.12), 0 2px 4px rgba(0, 0, 0, 0.08);
  }
  .backdrop-blur {
    backdrop-filter: blur(8px);
  }
  .bg-grid {
    background-image: linear-gradient(
        rgba(255, 255, 255, 0.05) 1px,
        transparent 1px
      ),
      linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
  }
  .animate-gradient {
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
  }
  @keyframes gradientShift {
    0% {
      background-position: 0% 50%;
    }
    50% {
      background-position: 100% 50%;
    }
    100% {
      background-position: 0% 50%;
    }
  }
  .hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1),
      0 10px 10px -5px rgba(0, 0, 0, 0.04);
  }
  .card-glow {
    box-shadow: 0 0 15px rgba(0, 144, 231, 0.1);
    transition: box-shadow 0.3s ease;
  }
  .card-glow:hover {
    box-shadow: 0 0 25px rgba(0, 144, 231, 0.3);
  }
  .mobile-nav-active {
    max-height: 500px;
    opacity: 1;
    visibility: visible;
  }
  .mobile-nav-inactive {
    max-height: 0;
    opacity: 0;
    visibility: hidden;
  }
  .nav-link {
    position: relative;
    overflow: hidden;
  }
  .nav-link::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #0090e7;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
  }
  .nav-link:hover::after {
    transform: translateX(0);
  }
  .mobile-nav-link {
    position: relative;
    padding-left: 15px;
  }
  .mobile-nav-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background-color: #0090e7;
    opacity: 0;
    transition: opacity 0.3s ease;
  }
  .mobile-nav-link:hover::before {
    opacity: 1;
  }
  .card-hover {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  .card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
  }
  .btn-pulse {
    animation: btnPulse 2s infinite;
  }
  @keyframes btnPulse {
    0% {
      box-shadow: 0 0 0 0 rgba(0, 144, 231, 0.4);
    }
    70% {
      box-shadow: 0 0 0 10px rgba(0, 144, 231, 0);
    }
    100% {
      box-shadow: 0 0 0 0 rgba(0, 144, 231, 0);
    }
  }
  .text-gradient {
    background-clip: text;
    -webkit-background-clip: text;
    color: transparent;
    background-image: linear-gradient(135deg, #1a365d, #0090e7);
  }
  .text-balance {
    text-wrap: balance;
  }
  .text-stroke {
    -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1);
  }
  .bg-glass {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
  }
  .bg-tech {
    /* background-image: url('https://picsum.photos/id/1/1200/800'); */
    background-image: url("https://travel-1254373588.cos.ap-beijing.myqcloud.com/images/banner.jpg");
    background-size: cover;
    background-position: center;
  }
  .animate-float {
    animation: float 6s ease-in-out infinite;
  }
  .animate-float-delay-1 {
    animation: float 6s ease-in-out 1s infinite;
  }
  .animate-float-delay-2 {
    animation: float 6s ease-in-out 2s infinite;
  }
}