body {
    background-image: url('../bg.jpg');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    background-attachment: fixed;
    color: white;
}

.navbar {
  box-shadow: 0 2px 4px rgba(0,0,0,0.4);
}

.table-dark {
  background-color: var(--table-dark);
  border-color: #2a3b52;
}

.table-hover tbody tr:hover {
  background-color: rgba(13, 110, 253, 0.1);
}

.card {
  background-color: var(--table-dark);
  border: 1px solid #2a3b52;
}

.form-control {
  background-color: #121a26;
  border-color: #2a3b52;
  color: white !important;  /* 强制文字颜色为白色 */
}

.form-control:focus {
  background-color: #121a26;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}