.cont {
  background: #ffffff;
  box-shadow: 0px 4px 20px 0px rgba(199, 199, 199, 0.25);
  padding: 20px;
  align-items: flex-start;
}
.cont .list {
  margin-left: 40px;
}
.cont .list .tit {
  font-size: 20px;
}
.cont .list .tit::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 24px;
  background: #015293;
  margin-right: 7px;
}
.cont .list ul li {
  font-size: 18px;
  margin-top: 20px;
}
.cont .list ul li:nth-child(5n) {
  border-bottom: 1px dashed #999999;
  padding-bottom: 20px;
}
.cont .list ul li .of1 {
  max-width: 800px;
}
.cont .list ul li .of1:hover span {
  background: #015293;
  transition: 0.5s;
}
.cont .list ul li .of1 span {
  display: inline-block;
  width: 4px;
  height: 4px;
  background: #b3b3b3;
  border-radius: 50%;
  vertical-align: middle;
  margin-right: 10px;
}
.cont .list ul li .date {
  color: #666666;
}

@media (max-width: 1420px) {
  .cont .list ul li .of1 {
    max-width: 750px;
  }
}