@import 'common/var';

body {
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
  font-weight: 400;
  font-size: $--font-size-base;
  color: $--color-black;
  -webkit-font-smoothing: antialiased;
}

a {
  color: $--color-primary;
  text-decoration: none;

  &:hover,
  &:focus {
    color: mix($--color-white, $--color-primary, $--button-hover-tint-percent);
  }

  &:active {
    color: mix(
      $--color-black,
      $--color-primary,
      $--button-active-shade-percent
    );
  }
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: $--color-text-regular;
  font-weight: inherit;

  &:first-child {
    margin-top: 0;
  }

  &:last-child {
    margin-bottom: 0;
  }
}

h1 {
  font-size: #{$--font-size-base + 6px};
}

h2 {
  font-size: #{$--font-size-base + 4px};
}

h3 {
  font-size: #{$--font-size-base + 2px};
}

h4,
h5,
h6,
p {
  font-size: inherit;
}

p {
  line-height: 1.8;

  &:first-child {
    margin-top: 0;
  }

  &:last-child {
    margin-bottom: 0;
  }
}

sup,
sub {
  font-size: #{$--font-size-base - 1px};
}

small {
  font-size: #{$--font-size-base - 2px};
}

hr {
  margin-top: 20px;
  margin-bottom: 20px;
  border: 0;
  border-top: 1px solid #eeeeee;
}
