@import url("css2.css");
* {
  margin: 0;
  padding: 0;
  /* css3盒子模型 */
  box-sizing: border-box;
}

ul {
  list-style: none;
}
a {
  text-decoration: none;
}

/*1rem=10px  10/16=62.5% */

html {
  font-size: 62.5%;
}

body {
  font-size: 1.4rem;
  font-weight: 400;
  line-height: 1.7;
  color: #777;
  background-color: var(--sky-gray2);
  font-family: var(--body-fonts);
}
.w {
  max-width: 120rem;
  margin: 0 auto;
}