.yzt-flex{
    display:flex;
    justify-content: center;
    text-align: center;
}
.yzt-wrap{
    flex-wrap: wrap;
}
.yzt-wrap-25{
    width: 25%;
    max-width: 25%;
    min-width: 25%;
}
.yzt-flex-1{
    flex:1;
}
.yzt-flex-2{
    flex:2;
}
.yzt-flex-3{
    flex:3;
}
.yzt-flex-6{
    flex:6;
}
.yzt-flex-7{
    flex:7;
}
.m{
  width: 1050px;
  margin: 50px auto;
}
.yzt-img{
  width: 100%;
  height: 140px;
}
.yzt-item{
  padding-right: 10px;
  box-sizing: border-box;
}
.yzt-item:nth-child(4n){
  padding-right: 0px;
}
.yzt-title{
    border: 1px solid #d5d5d5;
    border-left: 5px solid red;
    padding: 5px 22px;
    text-align: left;
    margin-bottom: 5px;
    margin-right: 10px;
}
.yzt-pic {
    width: 100%;
}
.yzt-content {
    height: 150px;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #d5d5d5;
    margin-bottom: 10px;
}
.yzt-t{
  text-align: left;
  padding-left: 10px;
}
.yzt-c{
  text-align: left;
  padding-left: 10px;
}