.banner {
  width: calc(100%-8px);
  height: 100%;
}
.banner img {
  width: 100%;
}
.main .title {
  text-align: center;
  font-size: 40px;
  line-height: 40px;
  margin: 170px 0px 120px 0px;
}
.main .title::before {
  content: "";
  width: 120px;
  height: 4px;
  background-color: #1577fe;
  position: absolute;
  z-index: 1;
  left: 514px;
  top: 255px;
}
.main .text {
  font-size: 17px;
  line-height: 25px;
  padding: 5px 0px;
  text-indent: 2em;
}
.main .logoBox {
  width: 16%;
  display: inline-block;
  padding: 20px;
}
.main .logoBox .logoImg {
  width: 100%;
  height: 100px;
  border: 1px #999999 solid;
  transition: all 0.5s;
  cursor: pointer;
}
.main .logoBox .logoImg:hover {
  box-shadow: 0 2px 10px 0 rgba(128, 132, 145, 0.2);
}