/* 重置样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  background-color: #f5f5f5;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  vertical-align: middle;
}

ul, ol {
  list-style: none;
}

button {
  border: none;
  background: none;
  cursor: pointer;
}

input, textarea {
  border: none;
  outline: none;
}