.product_introduce_main {
  padding: 40px 0;
  position: relative;
}
.product_introduce_main .bg_player {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  right: 50%;
  z-index: -1;
  background: url('../images/titu_left.png') no-repeat left top / 30%;
}
.product_introduce_center {
  width: 1200px;
  margin: 0 auto;
  box-shadow: 0 5px 5px #ace2ff;
  text-align: right;
  border: 1px solid #ddd;
  border-radius: 4px;
}
.product_introduce_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;
  text-align: left;
}
.product_introduce_main h3 .img {
  width: 390px;
  height: 28px;
  background: url('../images/logo_title.png') no-repeat center;
  margin-top: 12px;
}
.product_introduce_main .content {
  display: flex;
  flex-direction: column;
  text-align: left;
}
.product_introduce_main .content .content_top{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}
.content_top_left {
  display: flex;
  flex-direction: column;
  padding-left: 40px;
}
.content_top_left .content_title {
  display: flex;
  align-items: center;
  width: 50%;
  margin-bottom: 30px;
}
.content_top_left .logo {
  width: 166px;
  height: 60px;
  background: url('../images/2597.png') no-repeat;
  flex-shrink: 0;
}
.content_top_left .dv {
  font-size: 20px;
  margin: 0 12px;
}
.content_top_left .tt {
  font-size: 20px;
}
.content p {
  padding: 0 40px;
  line-height: 2;
  letter-spacing: 2px;
  font-size: 16px;
}
.content .content_top_left p {
  padding: 0;
  font-size: 16px;
}
.content_top_right {
  width: 40%;
  margin-left: 20px;
  flex-shrink: 0;
  flex-grow: 0;
}
.content_top_right video {
  width: 100%;
  height: auto;
  vertical-align: top;
  object-fit: fill;
  border: 1px solid #ccc;
}
.product_introduce_center .play_video_btn {
  width: 168px;
  height: 54px;
  /* background: linear-gradient(-79deg, #347CFF 0%, #1AECFF 99%); */
  background: url('../images/btn_bg.png') no-repeat center center / 100% 100%;
  border-radius: 27px;
  font-size: 16px;
  border: 0;
  margin-bottom: 20px;
  margin-right: 40px;
  cursor: pointer;
  color: #fff;
}
.product_introduce_center .play_video_btn:hover {opacity: 0.9;}