.m1{
  width: 100%;
  height: 399px;
  background: url(../img/case_banner.jpg) no-repeat;
  background-position: center;
  background-size: cover;
}
.m1 .inner{
  width: 1024px;
  margin: 0 auto;
}
.m1 .p1{
  padding-top: 100px;
  text-align: right;
  font-size: 52px;
  font-weight: bold;
}
.m1 .p2{
  padding-top: 20px;
  text-align: right;
  font-size: 24px;
}
.m1 .btn{
  display: block;
  margin-left: 80%;
  width: 20%;
  height: 50px;
  background-color: #c84869;
  text-align: center;
  line-height: 50px;
  font-size: 18px;
  color: #fff;
  margin-top: 50px;
}
.m2{
  padding: 50px 0;
}
.m2 .inner{
  display: -webkit-flex;
  display: flex;
  justify-content: space-between;
  width: 1024px;
  height: auto;
  margin: 0 auto;
  flex-wrap: wrap;
}
.m2 .list{
  width: 100%;
  height: 250px;
}
.m2 .top{
  height: 100px;
  padding-bottom: 15px;
}
.m2 .top .img-box{
  width: 100px;
  height: 100px;
  overflow: hidden;
}
.m2 .top .img-box img{
  height: 100%;
}
.m2 .top .title{
  width: 345px;
  margin-left: 15px;
  height: 60px;
  margin-top: 40px;
  text-align: left;
  font-size: 20px;
  color: #252525;
  line-height: 30px;
}
.m2 .top .title span{
  color: #c84869;
}
.m2 .content{
  text-align: left;
  font-size: 15px;
  color: #415c7d;
  line-height: 24px;
}
.title-h2 {
  width: 100%;
  padding-bottom: 20px;
  margin-bottom: 40px;
  border-bottom: 1px solid #ccc;
  font-size: 24px;
  color: #000;
}