.inside-banner {
  position: relative;
  background: url(../../images/bgcover/privatenet_banner.jpg)no-repeat center center;
}
.inside-banner-m {
  position: relative;
  background: url(../../images/bgcover/mt/sywlbanner.jpg)no-repeat center center;
  background-size: 100%;
}
.brief-introduction {
  padding: 50px 0 77px 0;
  background-color: #f7f7f7;
}
.introduction {
  width: 1103px;
  font-size: 16px;

  font-weight: 400;
  color: #333333;
  line-height: 24px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 35px;
}
.characteristic {
  padding: 67px 0 72px 0;
}
.characteristic ul {
  width: 100%;
  margin-top: 58px;
}
.characteristic ul li {
  width: 30%;
  height: 400px;
  float: left;
  margin-bottom: 48px;
  margin-right: 51px;
  border: 1px solid #ededed;
}
.characteristic ul li:hover {
  transition: 0.2s;
  box-shadow: 0px 10px 20px 0px rgba(13, 4, 9, 0.05);
}
.characteristic .right {
  float: right;
  margin-right: 0;
}
.img {
  width: 132px;
  height: 132px;
  margin-left: 17px;
  margin-top: 26px;
}
.name {
  width: 80%;
  font-size: 18px;
  line-height: 18px;
  text-align: left;
  margin-right: auto;
  margin-left: auto;

  font-weight: 400;
  color: #333333;
  padding-bottom: 26px;
  border-bottom: 2px solid #ed6827;
  margin-top: 28px;
}
.characteristic_text {
  width: 85%;
  max-height: 132px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  margin-left: auto;
  margin-right: auto;
  font-size: 14px;

  font-weight: 400;
  color: #333333;
  line-height: 22px;
  margin-top: 24px;
  text-align: left;
}
.characteristic_text_m {
  width: 85%;
  max-height: 132px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 6;
  -webkit-box-orient: vertical;
  margin-left: auto;
  margin-right: auto;
  font-size: 14px;

  font-weight: 400;
  color: #333333;
  line-height: 22px;
  margin-top: 24px;
  text-align: left;
  display: none;
}
.cloud {
  padding: 64px 0 60px 0;
  background-color: #f7f7f7;
}
.cloud_text {
  width: 667px;
  font-size: 16px;

  font-weight: 400;
  color: #333333;
  line-height: 24px;
  margin-left: auto;
  margin-right: auto;
  margin-top: 35px;
}
.cloud_bt {
  width: 178px;
  height: 47px;
  background: #f45f1d;
  box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.24);
  margin-left: auto;
  margin-right: auto;
  margin-top: 53px;
  border-radius: 30px;
  cursor: pointer;
  font-size: 16px;

  font-weight: 400;
  color: #ffffff;
  line-height: 47px;
}
.imgs {
  margin-bottom: -6px;
}
.imgs img {
  width: 100%;
}
@media screen and (max-width: 768px) {
  .introduction {
    width: 100%;
  }
  .characteristic ul li {
    width: 100%;
  }
  .cloud_text {
    width: 100%;
  }
  .characteristic_text{
    display: none;
  }
  .characteristic_text_m{
    display: block;
  }
}
@media screen and (max-width: 1280px){
  .characteristic_text{
    display: none;
  }
  .characteristic_text_m{
    display: block;
  }
}