.product_preview {
  margin-top: 134px;
  overflow: hidden;
  padding: 50px 0 60px;
  background: url(../img/pd-pre-bg.png) no-repeat center / cover;
}
.product_preview .intro {
  flex: 1;
  padding-top: 1.96722%;
  max-width: 648px;
}
.product_preview .intro h1 {
  font-size: 45px;
  line-height: 50px;
  font-weight: 700;
}
.product_preview .intro .desc {
  color: #535353;
  font-size: 22px;
  line-height: 34px;
  font-weight: 300;
  margin-top: 24px;
}
.product_preview .intro .cer {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 30px;
  margin-top: 36px;
}
.product_preview .intro .cer li {
  height: 56px;
}
.product_preview .intro .cer li img {
  height: 100%;
  width: auto;
  display: block;
}
.product_preview .intro .btns {
  margin-top: 54px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}
.product_preview .intro .btns .download {
  display: grid;
  align-items: center;
  grid-template-columns: auto 1fr auto;
  border-radius: 4px;
  transition: all 0.3s;
  border: 1px solid rgba(186, 186, 186, 0.53);
  font-size: 18px;
  font-weight: 500;
  gap: 14px;
  min-width: 222px;
  padding: 9px 26px 9px 2rem;
  line-height: 2;
}
.product_preview .intro .btns .download::before {
  content: '';
  display: block;
  width: 1rem;
  height: 22px;
  background: url(../img/file.svg) no-repeat center / contain;
  transition: all 0.3s;
}
.product_preview .intro .btns .download::after {
  content: '';
  display: block;
  width: 1rem;
  height: 1rem;
  background: url(../img/download.svg) no-repeat center / contain;
  transition: all 0.3s;
}
.product_preview .intro .btns .download:hover {
  color: #fff;
  border-color: var(--title_color);
  background-color: var(--title_color);
}
.product_preview .intro .btns .download:hover::before,
.product_preview .intro .btns .download:hover::after {
  filter: contrast(0) brightness(2);
}
.product_preview .img {
  width: 47.0491804%;
  padding-bottom: 50.65574%;
  position: relative;
  transform: translateX(20px);
}
.product_preview .img img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  position: absolute;
  left: 0;
  top: 0;
}
.product_feature {
  padding: 70px 0;
}
.product_feature .head {
  flex: 1;
  color: #3d3d3d;
  font-size: 20px;
  font-weight: 300;
  line-height: 2rem;
}
.product_feature .head h2 {
  margin-bottom: 36px;
  color: var(--title_color);
}
.product_feature .head ul {
  overflow: hidden;
}
.product_feature .head ul li {
  margin: 24px 0;
  color: var(--title_color);
  font-size: 28px;
  font-weight: 500;
  display: grid;
  align-items: start;
  grid-template-columns: auto 1fr;
  gap: 18px;
}
.product_feature .head ul li::before {
  content: '';
  display: block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: var(--theme_color);
  transform: translateY(11px);
}
.product_feature .head p {
  margin: 24px 0;
}
.product_feature .img {
  /* width: 45.491804%; */
  overflow: hidden;
  border-radius: 10px;
}
.product_feature .img img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  transition: all 0.5s;
}
.product_feature .img img:hover {
  transform: scale(1.02);
}
.product_application {
  padding: 50px 0;
  padding-top: 100px;
  margin-top: -50px;
}
.product_application .swiper_box {
  margin-top: 62px;
}
.product_application .product_application_swiper {
  overflow: hidden;
}
.product_application .product_application_swiper .item {
  display: block;
}
.product_application .product_application_swiper .item .img {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  padding-bottom: 80.612245%;
}
.product_application .product_application_swiper .item .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  transition: all 0.5s;
}
.product_application .product_application_swiper .item h3 {
  font-size: 24px;
  font-weight: 600;
  margin-top: 28px;
}
.product_application .product_application_swiper .item:hover img {
  transform: scale(1.03);
}
.product_parameter {
  padding: 110px 0 78px;
}
.product_parameter .table {
  margin-top: 36px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  overflow: auto;
  border-right: 1px solid #dadada;
}
/* .product_parameter .table::after {
  content: '';
  display: block;
  box-sizing: border-box;
  position: absolute;
  inset: 0;
  border: 1px solid #dadada;
  pointer-events: none;
  z-index: 2;
  border-radius: 8px;
} */
.product_parameter table {
  width: 100%;
  border-radius: 8px;
  border-collapse: collapse;
  table-layout: fixed;
}
.product_parameter table tr:first-child {
  border-top-left-radius: 8px;
}
.product_parameter table tr:first-child td {
  color: #fff;
  font-size: 22px;
  background-color: var(--theme_color);
  padding: 23px 20px 22px;
}
.product_parameter table tr td {
  color: #242424;
  font-size: 20px;
  text-align: center;
  border: 1px solid #dadada;
  font-weight: 300;
  padding: 1rem 20px 15px;
  word-break: break-all;
}
.product_parameter table tr:not(:nth-of-type(1)) td:first-child {
  color: var(--title_color);
  text-align: left;
  font-size: 18px;
  font-weight: normal;
}
.product_parameter .tips {
  margin-top: 24px;
  color: #595959;
  font-weight: 300;
  line-height: 27px;
}
.product_accessorie {
  padding: 78px 0 86px;
}
.product_accessorie .items {
  margin-top: 52px;
  display: grid;
  gap: 25px;
  grid-template-columns: repeat(3, 1fr);
}
.product_accessorie .items .item {
  height: 100%;
  display: block;
  border-radius: 6px;
  background-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 10px 10px rgba(153, 153, 153, 0.2);
  border: 2px solid #fff;
  transition: all 0.3s;
  background: no-repeat bottom 0.5rem right / auto 65%;
  padding: 20px 24px 150px;
}
.product_accessorie .items .item h3 {
  font-size: 22px;
  line-height: 29px;
  font-weight: 500;
  max-width: 158px;
}
.product_accessorie .items .item:hover {
  border-color: var(--theme_color);
}
.product_accessorie .items .item.active {
  border-color: var(--theme_color);
}
.product_article {
  padding: 86px 0;
}
.product_article .items {
  margin-top: 50px;
  border-top: 1px solid #d1d1d1;
}
.product_article .items .item.active a {
  border-color: #242424;
}
.product_article .items .item.active i {
  transform: rotate(0);
  box-shadow: 0 0 10px rgba(168, 168, 168, 0.35);
  border-color: var(--theme_color);
  background-color: var(--theme_color);
}
.product_article .items .item.active i::after {
  filter: contrast(0) brightness(2);
}
.product_article .items .item a {
  display: grid;
  align-items: center;
  grid-template-columns: 1fr auto;
  gap: 20px;
  transition: all 0.3s;
  border-bottom: 1px solid #d1d1d1;
  padding: 30px 0 17px;
}
.product_article .items .item a:hover {
  border-color: #242424;
}
.product_article .items .item a:hover i {
  transform: rotate(0);
  box-shadow: 0 0 10px rgba(168, 168, 168, 0.35);
  border-color: var(--theme_color);
  background-color: var(--theme_color);
}
.product_article .items .item a:hover i::after {
  filter: contrast(0) brightness(2);
}
.product_article .items .item .info h3 {
  font-size: 24px;
  line-height: 28px;
  font-weight: 500;
}
.product_article .items .item .info .desc {
  margin-top: 8px;
  color: #606060;
  font-weight: 300;
  line-height: 30px;

  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.product_article .items .item i {
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  width: 3rem;
  height: 3rem;
  border: 1px solid #c4c4c4;
  transition: all 0.3s;
  transform: rotate(-45deg);
}
.product_article .items .item i::after {
  content: '';
  display: block;
  width: 30.5%;
  height: 30.5%;
  transition: all 0.3s;
  background: url(../img/arrow-line-r-b.svg) no-repeat center / contain;
}
.product_video {
  padding: 86px 0;
}
.product_video .swiper_btns .swiper-button-disabled{
  opacity: 0;
}
.product_video .swiper_box {
  margin-top: 4rem;
}
.product_video .product_video_swiper {
  overflow: hidden;
}
.product_video .product_video_swiper .video {
  display: block;
  cursor: pointer;
}
.product_video .product_video_swiper .video:hover img {
  transform: scale(1.03);
}
.product_video .product_video_swiper .video .img {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  padding-bottom: 56.185568%;
}
.product_video .product_video_swiper .video .img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  vertical-align: top;
  transition: all 0.5s;
  position: absolute;
  left: 0;
  top: 0;
}
.product_video .product_video_swiper .video .img i {
  display: block;
  width: max(40px, 15.464%);
  aspect-ratio: 1;
  border-radius: 50%;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s;
  z-index: 2;
  background: url(../img/play.svg) no-repeat center / cover;
}
.product_video .product_video_swiper .video .img i:hover {
  transform: translate(-50%, -50%) scale(1.1);
}
.product_video .product_video_swiper .video .info .cat {
  margin-top: 24px;
  color: var(--theme_color);
  font-weight: 300;
}
.product_video .product_video_swiper .video .info h3 {
  margin-top: 10px;
  font-size: 20px;
  line-height: 28px;
  font-weight: 600;
}