.com_contact_us {
  padding-top: 169px;
  padding-bottom: 133px;
}
.a_r_a_item {
  border: 1px solid var(--color-main);
}
.a_r_a_item .tit {
  font-size: 18px;
  color: var(--color-main);
  font-family: Regular;
}
.list_products {
  margin-top: 3.125%;
}
.list_products::after {
  content: "";
  display: table;
  clear: both;
}
.pro_right > .title {
  font-weight: 400;
  font-size: 20px;
  color: #000000;
  line-height: 40px;
  border-bottom: 1px solid var(--color-main);
}
.pro_right .video_list {
  margin-top: 70px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.pro_right .video_list .item {
  width: calc(50% - 11px);
}
.pro_right .video_list .item:not(:nth-child(-n + 2)) {
  margin-top: 57px;
}
.pro_right .video_list .item .img {
  padding-bottom: 70%;
  position: relative;
}
.pro_right .video_list .item .img span {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: url(../images/btn/play.png) no-repeat center;
  background-size: cover;
}
.pro_right .video_list .item .title {
  margin-top: 25px;
}
.pro_right .video_list .item .title a {
  font-weight: 400;
  font-size: 24px;
  line-height: 32px;
}
.video_sw {
  position: relative;
  margin-top: 66px;
  margin-bottom: 75px;
}
.video_sw .title {
  font-weight: 500;
  font-size: 25px;
  color: #000000;
  line-height: 21px;
  margin-bottom: 46px;
}
.video_sw .img {
  padding-bottom: 59.67%;
}
.video_sw .img .play_btn {
  display: block;
  background: url(../images/btn/play.png) no-repeat center;
  background-size: cover;
  width: 74px;
  height: 74px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.video_sw .a_btn {
  padding: 19px 68px;
  background: var(--color-main);
  font-weight: 400;
  font-size: 18px;
  color: #ffffff;
  line-height: 28px;
  float: left;
  margin-top: 23px;
  position: relative;
  left: 50%;
  transform: translateX(-50%);
}
@media screen and (max-width: 1366px) {
  .layout_ {
    width: 100%;
    padding-left: 3%;
    padding-right: 7%;
  }
}
@media screen and (max-width: 1023px) {
  .com_aside_left {
    display: none;
  }
  .pro_right {
    width: 100%;
  }
  .pro_right .video_list {
    margin-top: 30px;
  }
}
@media screen and (max-width: 1024px) {
  .layout_ {
    padding-right: 3%;
  }
}
@media screen and (max-width: 950px) {
  .pro_right .video_list .item:not(:nth-child(-n + 2)) {
    margin-top: 15px;
  }
  .pro_right .video_list .item .title a {
    font-size: 18px;
    line-height: 1.3;
  }
}
@media screen and (max-width: 768px) {
  .pro_right .video_list .item {
    width: 100%;
    margin-top: 15px !important;
  }
}