/* 页面平滑滚动 */
html,
body {
  scroll-behavior: smooth;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font: 16px "Microsoft Yahei",
    "Hiragino Sans GB", "Heiti SC", "WenQuanYi Micro Hei", sans-serif;
  color: #333;
}

li {
  list-style: none;
}

em,
i {
  font-style: normal;
}

a {
  text-decoration: none;
  color: #333;
}

/* 设置img的垂直对齐方式为居中对齐，去除img底部默认的间隙 */
img {
  vertical-align: middle;
}

/* 去除input默认样式 */
input,
button {
  color: #333;
  border: none;
  outline: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 400;
}