/* 全局重置与基础样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: #f8f9fa;
  color: #333;
  line-height: 1.6;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 20px;
  text-align: center;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: #2c3e50;
}

p {
  font-size: 1.1rem;
  margin-bottom: 1.5rem;
  color: #7f8c8d;
}

button {
  padding: 12px 24px;
  font-size: 1rem;
  background-color: #3498db;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

button:hover {
  background-color: #2980b9;
}

/* 警告按钮样式 */
.btn-warning {
  background-color: #f39c12;
  color: white;
}

.btn-warning:hover {
  background-color: #e67e22;
}