body{
  margin:0;
  padding:0;
  width: 100%;
}
.fresh-content{
  width: 100%;
  top: 80px;
  position: relative;
  margin-bottom: 80px
}
.fresh-img {
  width: 100%;
  display: block;
}
#more-case{
  position:relative;
}
.more-case-text {
  position: absolute;
  width: 100%;
  z-index: 1;
  bottom: 20%;
  text-decoration: none;
  text-align: center;
  font-size: 1rem;
  color: #999999;
  letter-spacing: 0;
  font-family: "微软雅黑"
}