@layer utilities {
  .content-auto {
    content-visibility: auto;
  }
  .text-shadow {
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  }
  .card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  .card-hover: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);
  }
  .gradient-bg {
    background: linear-gradient(135deg, #0f3460 0%, #1a73e8 100%);
  }

  /* 弹窗相关样式 */
  .modal-mask {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    display: none;
    align-items: center;
    justify-content: center;
  }
  .modal-container {
    background: white;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    position: relative;
  }
  .modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    cursor: pointer;
    color: #6b7280;
    transition: color 0.2s;
  }
  .modal-close:hover {
    color: #0f3460;
  }
}