.con_bg {
  width: 1308px;
  height: auto;
  overflow: hidden;
  margin: 0 auto;
  background: url(../images/bj_bj.png) repeat-y;
  padding-bottom: 50px;
}
.con_bg .con {
  height: auto;
  overflow: hidden;
  padding: 40px 65px 0 65px;
}
.con_bg .con .network {
  width: 100%;
  height: auto;
}
.con_bg .con .network .title {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 50px;
}
.con_bg .con .network .tit {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 30px;
}
.con_bg .con .network p {
  font-size: 16px;
  line-height: 25px;
  margin-bottom: 20px;
}
.con_bg .con .network p a {
  color: blue;
  font-weight: bold;
}
.con_bg .con .network .pic {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
  gap: 10px;
  height: auto;
}
.con_bg .con .network .pic img {
  width: 100%;
  height: auto;
}