body {
  font-family: Arial, sans-serif;
  background-color: #e6f0ff;
  color: #03396c;
  padding: 20px;
}

/* h2 local styles removed (统一) */

#filter {
  margin-bottom: 20px;
}

#filter select, #filter button {
  padding: 5px 10px;
  margin-right: 10px;
  border: 1px solid #005b96;
  border-radius: 4px;
  background-color: #fff;
  color: #03396c;
  cursor: pointer;
}

#filter select:hover, #filter button:hover {
  background-color: #cce0ff;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: #fff;
  border-radius: 5px;
  overflow: hidden;
}

thead {
  background-color: #005b96;
  color: white;
}

th, td {
  padding: 10px;
  text-align: center;
  border-bottom: 1px solid #ccc;
}

tbody tr:hover {
  background-color: #cce0ff;
  cursor: pointer;
}

.deleteBtn {
  background-color: #f44336;
  color: white;
  border: none;
  padding: 5px 10px;
  border-radius: 4px;
  cursor: pointer;
}

.deleteBtn:hover {
  background-color: #d32f2f;
}