.content {
  width: 100%;
}
.content .bigbox {
  min-width: 1200px;
  padding-bottom: 150px;
  background-color: #F9F9F9;
}
.content .nav {
  width: 100%;
  background: white;
  box-shadow: 0px 0px 20px 0px rgba(1, 11, 77, 0.1);
}
.content .nav .item {
  padding-top: 39px;
  overflow: hidden;
  padding-bottom: 39px;
  width: 1200px;
  margin: 0 auto;
}
.content .nav .item a {
  margin-right: 9.09px;
  float: left;
  text-align: center;
  width: 100px;
  height: 40px;
  color: #333333;
  line-height: 40px;
  /* margin-bottom: 10px; */
}
.content .main {
  width: 1200px;
  margin: 0 auto;
}
.content .main .list {
  overflow: hidden;
  margin-bottom: 50px;
  width: 1215px;
  margin-left: -15px;
  padding: 15px 0;
}
.content .main .list .box {
  float: left;
  width: 280px;
  height: 266px;
  background-color: #fff;
  text-align: center;
  margin-right: 20px;
  margin-top: 40px;
  transition:all 0.15s linear;
}
.content .main .list .box:nth-child(4n + 1){
  margin-left: 15px;
}
.content .main .list .box img {
  width: 250px;
  height: 200px;
  margin: 15px;
  transition:all 0.25s linear;
}
.content .main .list .box p {
  text-align: left;
  margin-left: 15px;
}
.active {
  background: #1d5eff;
  border-radius: 20px;
  color: #fff !important;
}
.content .main .list .box img:hover{
  transform: scale(1.05);
}
.content .main .list .box:hover {
  box-shadow: 0 2px 15px 0 rgba(0,0,0,.15)!important;
}