/* Reset some default styles */
body, h1, h2, h3, h4, h5, h6, p, ol, ul {
  margin: 0;
  padding: 0;
  font-weight: normal;
  box-sizing: border-box;
}

/* Basic styles */
body {
  font-family: 'Arial', sans-serif;
  background-color: #f8f9fa;
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
}

/* Header styles */
header {
  width: 100%;
  background-color: #007bff;
  padding: 20px 0;
  text-align: center;
  color: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  margin-bottom: 20px;
}

.title {
  font-size: 2.5em;
  margin: 0;
}

.subtitle {
  font-size: 1.2em;
  margin: 5px 0 0;
}

/* Main content styles */
main {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.container {
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.1);
  width: 100%;
  max-width: 100%;
  overflow-x: hidden; /* 新增  */
}

.form-group {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  max-width: 800px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.form-label {
  font-size: 1.1em;
  margin-right: 10px;
  margin-bottom: 10px;
}

.form-select {
  padding: 10px;
  font-size: 1.1em;
  border-radius: 5px;
  border: 1px solid #ccc;
  margin-right: 10px;
  flex-grow: 1;
  margin-bottom: 10px;
}

.btn {
  padding: 10px 20px;
  font-size: 1.1em;
  background-color: #007bff;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  flex-shrink: 0;
  flex-grow: 1;
  margin-bottom: 10px;
}

.btn:hover {
  background-color: #0056b3;
}

.table-container {
  width: 100%;
  overflow-x: auto;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

th, td {
  border: 1px solid #ddd;
  padding: 12px;
  text-align: left;
  vertical-align: middle;
  word-wrap: break-word; /* 新增，处理长文本  */
  white-space: nowrap; /* 新增，防止文本换行  */
}

th {
  background-color: #f2f2f2;
}

td img {
  border-radius: 50%;
  width: 50px;
  height: 50px;
}

.footer {
  background-color: #f1f1f1;
  padding: 15px;
  width: 100%;
  text-align: center;
  margin-top: auto;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.1);
}

.footer a {
  color: #007bff;
  text-decoration: none;
  font-weight: bold;
  margin: 0 10px;
}

.footer a:hover {
  text-decoration: underline;
}

/* Modal styles */
.modal.hidden {
  display: none;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
}

.modal-content {
  background-color: white;
  padding: 20px;
  border-radius: 5px;
  text-align: center;
}

/* Responsive styles */
@media (max-width: 768px) {
  .form-group {
    flex-direction: column;
    align-items: stretch;
  }
  
  .form-label, .form-select, .btn {
    width: 100%;
    text-align: center;
    margin: 5px 0;
  }

  td img {
    width: 40px;
    height: 40px;
  }

  th, td {
    word-wrap: break-word; /* 移动设备下的文本换行 */
    white-space: normal; /* 允许文本换行 */
  }
}

@media (max-width: 480px) {
  .title {
    font-size: 2em;
  }

  .subtitle {
    font-size: 1em;
  }
}