.product_preview {
  padding: 105px 0 125px;
}
.product_preview .left {
  width: 48.5246%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.product_preview .left .product_control_swiper {
  overflow: hidden;
  width: 14.358%;
  height: 485px;
}
.product_preview .left .product_control_swiper .swiper-slide {
  height: 85px;
  border: 1px solid transparent;
  transition: all 0.3s;
  overflow: hidden;
  border-radius: 3px;
  opacity: 0.5;
  cursor: pointer;
}
.product_preview .left .product_control_swiper .swiper-slide.active {
  opacity: 1;
  border: 1px solid var(--theme_color);
}
.product_preview .left .product_control_swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.product_preview .left .product_preview_swiper {
  overflow: hidden;
  width: 83.446%;
  border-radius: 5px;
}
.product_preview .left .product_preview_swiper .swiper-slide {
  padding-bottom: 96.4756%;
  position: relative;
  overflow: hidden;
  border-radius: 5px;
}

.product_preview .left .product_preview_swiper .swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  left: 0;
  top: 0;
}

.product_preview .right {
  width: 47.541%;
  padding-top: 20px;
}
.product_preview .right span {
  font-size: 18px;
  color: var(--theme_color);
}
.product_preview .right h1 {
  color: #282828;
  font-size: 50px;
  font-weight: 600;
  line-height: 73px;
  margin: 20px 0 15px;
}
.product_preview .right ul li {
  color: #666666;
  font-size: 18px;
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.product_preview .right ul li:last-child {
  margin-bottom: 0;
}
.product_preview .right ul li::before {
  content: '';
  display: block;
  border-radius: 50%;
  width: 6px;
  height: 6px;
  background-color: var(--theme_color);
  position: absolute;
  left: 0;
  top: 10px;
}
.product_preview .right .btns {
  display: flex;
  gap: 15px;
  margin-top: 2rem;
}
.product_preview .right .btns .button {
  font-size: 1rem;
  padding: 17px;
  width: 202px;
  text-align: center;
}
.product_preview .right .btns a:not(.button) {
  font-size: 1rem;
  color: var(--content_color);
  font-weight: 600;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  line-height: 1;
  padding: 1rem;
  width: 202px;
  text-align: center;
  transition: all 0.4s;
}
.product_preview .right .btns a:not(.button):hover {
  background-color: var(--theme_color);
  border-color: var(--theme_color);
  color: #fff;
}
.product_intro li {
  padding: 50px 0;
}
.product_intro li .flex {
  align-items: center;
  justify-content: space-between;
}
.product_intro li .info {
  width: 50.82%;
}
.product_intro li .info h2 {
  color: #282828;
  font-size: 50px;
  font-weight: 600;
  line-height: 73px;
}
.product_intro li .info p {
  color: #757575;
  font-size: 17px;
  line-height: 30px;
  margin-top: 20px;
}
.product_intro li .img {
  width: 46.23%;
  height: auto;
  max-height: 438px;
  overflow: hidden;
  border-radius: 18px;
  margin: 55px 0 62px;
}
.product_intro li .img img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}
.product_intro li:nth-child(odd) {
  background-color: #e4e4e4;
}
.product_intro li:nth-child(odd) .img {
  order: 2;
}
.pd_head h2 {
  color: #282828;
  font-size: 46px;
  font-weight: 600;
  line-height: 83px;
}
.product_spec {
  padding: 110px 0;
}
.product_spec .table {
  margin-top: 100px;
  font-family: 'Plus Jakarta Sans', sans-serif;
}
.product_spec table {
  display: block;
  border-collapse: collapse;
}
.product_spec table tbody {
  display: block;
}
.product_spec table tr {
  display: flex;
  transition: all 0.3s;
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}
.product_spec table tr:hover {
  background-color: #eeeeee;
}
.product_spec table tr td {
  flex: 1;
  font-size: 20px;
  font-weight: 500;
  color: var(--content_color);
  padding: 20px 18px 14px;
}
.product_spec table tr td:first-of-type {
  opacity: 0.8;
}
.product_spec table tr:first-of-type {
  border-bottom: none;
  margin-bottom: 10px;
}
.product_spec table tr:first-of-type:hover {
  background-color: #fff;
}
.product_spec table tr:first-of-type td {
  font-size: 21px;
}
.product_spec table tr:last-of-type {
  border-bottom: none;
}
.product_app {
  padding: 130px 1.2rem;
}
.product_app .content {
  max-width: 1382px;
}
.product_app .main {
  margin-top: 80px;
}
.product_app .main ul {
  display: grid;
  gap: 1px;
  grid-template-columns: repeat(4, 1fr);
}
.product_app .main ul li a {
  display: block;
  width: 100%;
  height: 450px;
  overflow: hidden;
  position: relative;
}
.product_app .main ul li a:hover .bg {
  transform: scale(1.05);
}
.product_app .main ul li a:hover strong {
  opacity: 0;
  transform: translateY(-100px);
}
.product_app .main ul li a:hover .flex {
  top: 0;
  opacity: 1;
}
.product_app .main ul li a:hover .flex h3 {
  margin-top: 0;
}
.product_app .main ul li .bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: url(../img/case1.jpg) no-repeat center / cover;
  transition: all 0.5s;
}
.product_app .main ul li .bg::after {
  content: '';
  display: block;
  width: 100%;
  height: 100%;
  background: url(../img/case-mask.svg) no-repeat center / cover;
  position: absolute;
  left: 0;
  top: 0;
}
.product_app .main ul li strong {
  display: block;
  width: 100%;
  position: absolute;
  bottom: 26px;
  left: 0;
  text-align: center;
  color: #fff;
  font-size: 22px;
  font-weight: 500;
  transition: all 0.3s;
  padding: 0 1rem;
}
.product_app .main ul li .flex {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 100%;
  background-color: var(--theme_color);
  text-align: center;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 9.275%;
  transition: all 0.3s;
  opacity: 0;
  overflow: hidden;
}
.product_app .main ul li .flex h3 {
  color: #fff;
  font-size: 22px;
  font-weight: 500;
  transition: all 0.6s;
  margin-top: -100px;
}
.product_app .main ul li .flex p {
  color: #fff;
  font-size: 17px;
  line-height: 26px;
  opacity: 0.8;
  font-weight: 300;
  margin: 26px 0 20px;
}
.product_app .main ul li .flex span {
  color: #fff;
  font-size: 17px;
  font-weight: 500;
  position: relative;
  padding-right: 25px;
}
.product_app .main ul li .flex span::after {
  content: '';
  display: block;
  width: 15px;
  height: 8px;
  background: url(../img/right-line-w.svg) no-repeat center / contain;
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-30%);
}
.product_related {
  padding-bottom: 200px;
}
.product_related .product_related_swiper_box {
  position: relative;
  margin-top: 60px;
}