*{
  padding: 0;
  margin: 0;
  font-family: '思源宋体 CN';
}
blockquote, body, button, dd, div, dl, dt, form, h1, h2, h3, h4, h5, h6, input, ul, li, ol, p, pre, td, textarea, th, header, footer, nav, section, aside, article, main, a {
  box-sizing: border-box;
}
.hide-two {
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-clamp: 2;
}
.flex {
  display: flex;
}
.flex-d-col {
  flex-direction: column;
}
.flex-y-c {
  display: flex;
  align-items: center;
}
.flex-x-c {
  justify-content: center;
}
.flex-x-b {
  justify-content: space-between;
}