.product_features_main {
  padding: 40px 0 30px;
  background: url('../images/function_bg.png') no-repeat center center / 100% 100%;
  /* background: linear-gradient(112deg, #2BB7AF 0%, #307DFD 98%); */
}
.product_features_main h3 .img {
  width: 390px;
  height: 28px;
  background: url('../images/logo_title.png') no-repeat center;
  margin-top: 12px;
}
.product_features_main h3 {
  font-size: 30px;
  font-weight: 400;
  margin: 0 0 45px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #fff;
}
.product_features_center {
  width: 1200px;
  margin: 0 auto;
  /* box-shadow: 0 5px 5px #ace2ff; */
  display: flex;
  justify-content: center;
  box-sizing: border-box;
  margin-top: 20px;
  padding-bottom: 40px;
  position: relative;
}
.product_features_center .bg_player {
  position: absolute;
  width: 448px;
  top: 0;
  bottom: 0;
  left: 750px;
  z-index: -1;
  background: url('../images/1346.png') no-repeat 100px center;
}
.product_features_center .bg_player_left {
  position: absolute;
  width: 448px;
  top: 0;
  bottom: 0;
  left: -300px;
  z-index: -1;
  background: url('../images/1347.png') no-repeat 0px center / auto 80%;
}
.product_features_center .left {
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 0 10px #aaa;
  box-sizing: border-box;
  background-color: #fff;
}
.product_features_center .feature_list{
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  position: relative;
}
.product_features_center .feature_list::after {
  content: '';
  display: inline-block;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 1;
  background: url('../images/icon-zhongjian.png') no-repeat center center / auto 90%;
}
.product_features_center .feature_list .feature_it{
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  width: 30%;
  height: 200px;
  border-radius: 10px;
  border: 1px solid #248995;
  background: rgba(255,255,255,0.76);
  padding-left: 30px;
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}
.product_features_center .feature_list .feature_it::after {
  content: '';
  display: inline-block;
  width: 8px;
  height: 40px;
  border-radius: 4px;
  background: #2F8DE8;
  position: absolute;
  left: -4px;
  top: 50px;
}
.product_features_center .feature_list .feature_it:nth-of-type(2n+1) {
  margin-right: 20%;
}
.product_features_center .feature_list .feature_it:nth-of-type(2n) {
  margin-left: 20%;
}
.product_features_center .feature_list .feature_it:nth-of-type(1) {
  margin-right: 20%;
}
.product_features_center .feature_list .feature_it:nth-of-type(1) {
  margin-right: 18%;
  margin-bottom: 40px;
}
.product_features_center .feature_list .feature_it:nth-of-type(2) {
  margin-left: 18%;
  margin-bottom: 40px;
}
.feature_it img {
  width: 250px;
  height: 210px;
  border: 0;
  vertical-align: top;
}
.feature_it .h3 {
  padding: 0;
  margin: 10px 0;
  font-size: 20px;
  font-weight: 600;
  font-size: 30px;
  font-weight: 500;
  color: #333333;
  display: flex;
  text-align: left;
}
.feature_it p {
  padding: 0;
  margin: 0;
}