.list {
  width: 1560px;
}
.bottom {
  width: 100%;
  border-top: none;
  background: none;
}
.list ul li {
  width: 764px;
  height: 232px;
  margin-bottom: 60px;
  float: left;
  margin-right: 32px;
  background-size: 100%;
}
.list ul li:nth-child(2n) {
  margin-right: 0px;
}
.jnszfwza {
  top: 120px !important;
}
@media only screen  and (max-width: 1560px) {
  .list {
    width: 100%;
    overflow: auto;
  }
  .list ul li:nth-child(2n) {
    margin-right: 0px;
  }
  .list ul li {
    width: 49%;
    margin-right: 2%;
    margin-bottom: 2%;
    height: auto;
    background-size: 100% 100%;
  }
  .list_xq{
    margin-bottom: 30px;
  }
  .list ul{
    margin-right: 0px;
  }
  body {
    min-width: 100% !important;
  }
  .bg-box {
    padding: 10px;
    background-size: 100% auto !important;
  }
  .list{
    margin: 475px auto 0 auto;
  }
}
@media only screen  and (max-width: 1200px) {
  .list {
    margin:300px auto 0 auto;
  }
}
@media only screen  and (max-width: 780px) {
  .list ul li {
    width: 100%;
    margin-right: 0% !important;
  }
  .list {
    margin:240px auto 0 auto;
  }
}
@media only screen  and (max-width: 550px) {
  .list ul li {
    width: 100%;
    margin-right: 0%;
    background: #e7f9fd;
    border-radius: 10px;
    border: 1px solid #87c7d5;
}
  .list {
    margin: 120px auto 0 auto;
  }
}