.w1200 {
  width: 1200px;
  margin:30px auto;
  position: relative;
}

.case_box {
  width: 100%;
  overflow: hidden;
  margin-bottom: 60px;
}

.case_box h3 {
  color: #333;
  font-weight: normal;
  font-size: 24px;
  text-align: center;
  margin: 25px 0;
}

.case_box .category ul {
  display: block;
  overflow: hidden;
  width: 700px;
  margin: 20px auto;
}

.case_box .category ul li {
  font-size: 16px;
  text-align: center;
  width: 33%;
  float: left;
  height: 58px;
  line-height: 58px;
  color: #333;
  cursor: pointer;
  border-bottom: 1px solid #efefef;
}

.case_box .category ul li.active {
  color: #ff1f00;
  border-bottom: 1px solid #ff1f00;
  font-weight: bold;
}

.case_box .content {}

/* .case_box .content .cont {
  display: none;
} */

.case_box .content .cont.active {
  background: white !important;
  display: block;
}
.case_box .content .cont .info p {
  font-size: 14px;
  line-height: 32px;
  color: #333;
  margin: 0;
}
.info strong{
  color: #333;
}
.banrq{
  text-align: right;
  font-weight: bold;
}
.gzts{
  font-weight: bold;
}