/* CSS Reset - 初始化样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: #333;
  background-color: #121212;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

ul, ol {
  list-style: none;
}

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

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

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

/* 清除浮动 */
.clearfix::after {
  content: "";
  display: block;
  clear: both;
}