.sutong-sidebanner {
  position: relative;
  height: 348px;
  width: 100%;
  margin-top: 151px;
}

.sutong-sidebanner img {
  width: 100%;
  height: 100%;
}

.sutong-sidebanner .txt {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  margin-top: 80px;
}

.sutong-sidebanner .txt h1,
.sutong-sidebanner .txt h3 {
  color: #fff;
  font-size: 36px;
  line-height: 1;
  font-weight: 700
}

.sutong-sidebanner .txt p {
  color: #fff;
  font-size: 15px;
  margin: 25px 0 0;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden
}

.sutong-sidebanner .txt p a {
  color: #fff
}

@media screen and (max-width: 1441px) {

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 34px
  }
}

@media screen and (max-width: 1367px) {

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 32px
  }
}

@media screen and (max-width: 1281px) {

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 30px
  }
}

@media screen and (max-width: 1171px) {

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 28px
  }
}

@media screen and (max-width: 992px) {

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 26px
  }
}

@media screen and (max-width: 768px) {
  .sutong-sidebanner .txt {
    text-align: center
  }

  .sutong-sidebanner .txt h1,
  .sutong-sidebanner .txt h3 {
    font-size: 24px
  }

  .sutong-sidebanner .txt p {
    margin: 10px 0 0
  }
}

@media screen and (max-width:1335px){
.sutong-sidebanner {
    height: auto;
    margin-top: 105px;
}
.sutong-sidebanner .txt {
    margin-top: 0px;
}
}

@media screen and (max-width:639px){
.sutong-sidebanner {
    margin-top: 100px;
}
}

@media screen and (max-width:540px){
.sutong-sidebanner {
    margin-top: 53px;
}
}