/* 全局重置与移动端适配 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body {
  font-family: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: #f5f7fa; color: #333;
  min-width: 320px;
  line-height: 1.6;
}

/* 主容器：移动端占满，PC 端居中限宽 */
.container {
  width: 100%;
  max-width: 500px;
  margin: 20px auto;
  padding: 15px;
}

/* 卡片样式 */
.card {
  background: #fff;
  padding: 25px 20px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

h2 {
  margin-bottom: 20px;
  color: #2c3e50;
  font-size: 1.5rem;
}

label {
  display: block;
  margin-top: 16px;
  font-weight: 500;
  font-size: 0.95rem;
}

input[type="text"],
input[type="tel"],
input[type="date"],
input[type="number"] {
  width: 100%;
  padding: 12px;
  margin-top: 6px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-size: 16px; /* 避免 iOS 自动缩放 */
  -webkit-appearance: none;
}

input:focus {
  border-color: #3498db;
  outline: none;
  box-shadow: 0 0 0 3px rgba(52,152,219,0.2);
}

.radio-group {
  margin-top: 8px;
}

.radio-group label {
  display: block;
  margin-top: 10px;
  font-weight: normal;
  font-size: 0.95rem;
}

.note {
  margin-top: 20px;
  color: #e67e22;
  font-size: 0.85rem;
  background: #fef9e7;
  padding: 10px;
  border-radius: 6px;
  border-left: 4px solid #f39c12;
}

button, .btn-group button {
  width: 100%;
  padding: 14px;
  margin-top: 24px;
  background: #3498db;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  cursor: pointer;
  transition: background 0.2s;
}

button:hover {
  background: #2980b9;
}

button:active {
  transform: scale(0.98);
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

.btn-group button {
  flex: 1;
  margin-top: 0;
}

button.primary {
  background: #27ae60;
}

button.primary:hover {
  background: #219a52;
}

/* 提示信息 */
.error {
  color: #e74c3c;
  margin-top: 20px;
  background: #fdedec;
  padding: 10px;
  border-radius: 6px;
}

.flash {
  background: #eafaf1;
  padding: 10px;
  border-radius: 6px;
  margin-bottom: 20px;
  color: #27ae60;
  border-left: 4px solid #27ae60;
}

/* 信息列表（二次确认页） */
.info-list {
  list-style: none;
  margin-top: 20px;
  padding: 0;
}

.info-list li {
  padding: 12px 0;
  border-bottom: 1px solid #eee;
  font-size: 1rem;
}

.info-list li:last-child {
  border-bottom: none;
}

/* 管理后台专用样式 */
.admin .menu a {
  display: block;
  padding: 12px;
  background: #f0f0f0;
  margin-top: 10px;
  border-radius: 6px;
  text-decoration: none;
  color: #333;
  font-weight: 500;
}

.admin table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  font-size: 0.9rem;
}

.admin table th, .admin table td {
  padding: 8px;
  border: 1px solid #ddd;
  text-align: left;
}

.admin table th {
  background: #f5f5f5;
}

.admin .menu a:hover {
  background: #e0e0e0;
}

/* 响应式微调 */
@media screen and (max-width: 600px) {
  .container {
    padding: 10px;
  }
  .card {
    padding: 20px 15px;
  }
  h2 {
    font-size: 1.3rem;
  }
}