.container{
  box-sizing: border-box;
  padding: 0 40px;
}
.konw-before .know-before-item{
  width: 100%;height:auto;
}
.konw-before .know-before-item-title h4 {
  font-size: 30px;
}
.konw-before .know-before-item p {
  font-size: 24px;
  line-height: 36px;padding-bottom:20px;display: block;
}
.konw-before .know-before-item a {
  font-size: 20px;position:relative;
}