.product_function_main {
  padding: 0;
}
.product_function_main h3 .img {
  width: 390px;
  height: 28px;
  background: url('../images/logo_title.png') no-repeat center;
  margin-top: 12px;
}
.product_function_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;
}
.product_function_center {
  width: 1000px;
  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_function_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_function_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_function_center .left {
  padding: 10px;
  border-radius: 10px;
  box-shadow: 0 0 10px #aaa;
  box-sizing: border-box;
  background-color: #fff;
}
.product_function_center .function_list{
  display: flex;
  flex-wrap: wrap;
}
.product_function_center .function_list .function_it{
  display: flex;
  flex-wrap: wrap;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 33.33333%;
  padding: 0 50px;
  box-sizing: border-box;
  font-size: 16px;
  text-align: center;
}
.function_it img {
  width: 250px;
  height: 210px;
  border: 0;
  vertical-align: top;
}
.function_it h3 {
  padding: 0;
  margin: 10px 0;
  font-size: 20px;
  font-weight: 600;
}
.function_it p {
  padding: 0;
  margin: 0;
  line-height: 2;
  min-height: 100px;
}