* {
  margin: 0;
  padding: 0;
}
html,
body {
  font: 16px/1.5 Arial, sans-serif;
  color: #333;
  background-color: #e4f2ff;
  position: relative;
  height: 100%;
}
a {
  text-decoration: none;
  color: #454545;
  &:hover {
    color: #1673ff;
  }
}
main {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 30px 0;
  > h1 {
    text-align: center;
    margin-bottom: 60px;
    margin-top: 80px;
    color: #1673ff;
    font-family: serif;
  }
  p {
    line-height: 42px;
    text-align: center;
  }
}
footer {
  bottom: 0;
  right: 0;
  left: 0;
  position: absolute;
  line-height: 58px;

  margin: 0 auto;
  display: grid;
  justify-content: center;
  font-size: 14px;
  background-color: #fff;
  padding: 0 30px;
  > p {
    max-width: 1300px;
    width: 100%;
  }
}

/* 夜间模式适配 */
@media (prefers-color-scheme: dark) {
  html,
  body {
    color: #e0e0e0;
    background-color: #181c1f;
  }
  a {
    color: #8ab4f8;
  }
  a:hover {
    color: #4f9cff;
  }
  main > h1 {
    color: #8ab4f8;
  }
  footer {
    background: #23272a;
    color: #b0b0b0;
  }
}
@media (max-width: 768px) {
  main {
    padding: 20px;
    width: unset !important;
  }
  footer {
    line-height: 42px;
    padding-top: 20px;
    padding-bottom: 20px;
    font-size: 14px;
    max-width: unset !important;
    width: unset !important;
  }
}