.card-user {
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    background: #fff;
    max-width: 300px;
    margin: 2rem auto;
    min-height: 330px;
  }
  #particles-card-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
  }
  .svg-bg {
    position: absolute;
    z-index: 1;
    opacity: 0.8;
    pointer-events: none;
  }
  .svg-top-right { top: -40px; right: -40px; width: 100px; height: 100px; }
  .svg-bottom-left { bottom: -40px; left: -40px; width: 100px; height: 100px; }
  .svg-bottom-right { bottom: -30px; right: -30px; width: 60px; height: 60px; opacity: 0.5; }
  .svg-top-left { top: -30px; left: -30px; width: 60px; height: 60px; opacity: 0.5; }
  .user-img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid #fff;
    position: relative;
    z-index: 2;
    margin-top: 2rem;
  }
  .card-body {
    position: relative;
    z-index: 3;
  }

  .card-user-teachers {
    position: relative;
    overflow: hidden;
    border-radius: 1.5rem;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    background: #fff;
    max-width: 100%;
    margin: 2rem auto;
    min-height: 45%;
  }