* {
  margin: 0;
  padding: 0;
}
body {
  font-family: "Arial", "Microsoft YaHei", "黑体", "宋体", "微软雅黑", sans-serif;
}
ol,
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
}
.clearfix:before,
.clearfix:after {
  content: "";
  height: 0;
  clear: both;
  overflow: hidden;
  display: block;
  visibility: hidden;
}
.relative {
  position: relative;
}
.hidden {
  overflow: hidden;
}
.none {
  display: none;
}
.left {
  float: left;
}
.right {
  float: right;
}
.t-l {
  text-align: left;
}
.t-r {
  text-align: right;
}
.overflow-text2 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
.overflow-text3 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.overflow-text6 {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
}
.overflow-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.flex {
  display: flex;
  justify-content: space-between;
  flex-direction: row;
}
.x-left {
  justify-content: flex-start;
}
.x-center {
  justify-content: center;
}
.x-right {
  justify-content: flex-end;
}
.x-between {
  justify-content: space-between;
}
.x-around {
  justify-content: space-around;
}
.y-center {
  align-items: center;
}
.y-top {
  align-items: flex-start;
}
.y-bottom {
  align-items: flex-end;
}
.flex-column {
  display: flex;
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-item {
  flex: 1;
}
<!--0.00018906593322754-->