/* 全局样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  color: #333;
}

code {
  font-family: source-code-pro, Menlo, Monaco, Consolas, 'Courier New',
    monospace;
  background-color: #f4f4f4;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 0.9em;
}

/* 链接样式 */
a {
  color: #007acc;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* 按钮样式 */
button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* 输入框样式 */
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

/* 图片样式 */
img {
  max-width: 100%;
  height: auto;
}

/* 容器样式 */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }
}