.inner-banner {
  position: relative;
  overflow: hidden;
}
.inner-banner .tu {
  position: relative;
  overflow: hidden;
}
.inner-banner .tu:before {
  content: '';
  display: block;
  padding-top: calc(850 / 1920 * 100%);
}
.inner-banner .tu:after {
  content: '';
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
  background: linear-gradient(to top, #161820 0%, rgba(22, 24, 32, 0.5) 2%, rgba(22, 24, 32, 0.3) 40%, rgba(22, 24, 32, 0) 60%);
}
.inner-banner .tu img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: cover;
  left: 0;
  top: 0;
}
.inner-banner .text {
  position: absolute;
  width: 100%;
  left: 0;
  top: 45%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  color: #fff;
}
.inner-banner .text h2 {
  line-height: 1.3;
}
.inner-banner .text p {
  margin-top: 20px;
  width: 540px;
  max-width: 50%;
}
.inner-banner.product_details .text {
  position: absolute;
  width: 100%;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  color: #fff;
}
.inner-banner.product_details .text .con {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.inner-banner.product_details .text .con .left {
  width: 42%;
}
.inner-banner.product_details .text .con .left h2 {
  line-height: 1.3;
}
.inner-banner.product_details .text .con .left p {
  width: 530px;
  max-width: 90%;
}
.inner-banner.product_details .text .con .left dl {
  display: flex;
  margin-top: 50px;
}
.inner-banner.product_details .text .con .left dl dd {
  margin-right: 40px;
}
.inner-banner.product_details .text .con .left dl dd img {
  height: 28px;
}
.inner-banner.product_details .text .con .left ul {
  display: flex;
  margin-top: 20px;
}
.inner-banner.product_details .text .con .left ul li {
  color: #fff;
  position: relative;
  padding-left: 24px;
}
.inner-banner.product_details .text .con .left ul li:before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color);
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%);
  -moz-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
}
.inner-banner.product_details .text .con .left ul li:not(:last-child) {
  margin-right: 20px;
}
.inner-banner.product_details .text .con .right {
  width: 58%;
  position: relative;
  top: 30px;
}
.inner-banner.product_details .text .con .right img {
  width: 100%;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
}
.inner-banner.product_details .text .con .right .swiper-slide {
  opacity: 0;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -ms-transition: all 0.5s;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: center;
}
.inner-banner.product_details .text .con .right .swiper-slide-active {
  opacity: 1;
}
.inner-banner.product_details .text .con .right .swiper-pagination .swiper-pagination-bullet {
  background: #fff;
}
.inner-banner.product_details .text .con .right .swiper-pagination .swiper-pagination-bullet-active {
  background: var(--color);
}
.inner-banner.product_details .swiper-button-prev{
    left:0;
}
.inner-banner.product_details .swiper-button-next{
    right:0;
}
.inner-banner.product_details .swiper-button-prev:after{
    opacity: .2;
}
.inner-banner.product_details .swiper-button-next:after{
    opacity: .2;
}
.inner-banner.product_details .swiper-button-prev:hover:after{
    opacity: 1;
}
.inner-banner.product_details .swiper-button-next:hover:after{
    opacity: 1;
}
@media screen and (max-width: 1680px) {
  .inner-banner .text p {
    margin-top: 1vw;
  }
  .inner-banner.product_details .text .con .left dl {
    margin-top: 2.5vw;
  }
  .inner-banner.product_details .text .con .left dl dd {
    margin-right: 30px;
  }
  .inner-banner.product_details .text .con .right {
    top: 1.5vw;
  }
}
@media screen and (max-width: 1440px) {
  .inner-banner.product_details .text .con .left dl dd img {
    height: 24px;
  }
  .inner-banner.product_details .text .con .left ul li {
    padding-left: 20px;
  }
  .inner-banner.product_details .text .con .left ul li:not(:last-child) {
    margin-right: 16px;
  }
}
@media screen and (max-width: 1200px) {
  .inner-banner {
    margin-top: 66px;
  }
}
@media screen and (max-width: 768px) {
  .inner-banner .text h2 {
    font-size: 20px;
  }
  .inner-banner .text p {
    max-width: 100%;
    margin-top: 6px;
    font-size: 14px;
    display: none;
  }
  .inner-banner.product_details .text {
    position: relative;
    top: 0;
    transform: translateY(0);
    -webkit-transform: translateY(0);
    -moz-transform: translateY(0);
    -ms-transform: translateY(0);
    margin-top: calc(-1 * 850 / 1920 * 100%);
  }
  .inner-banner.product_details .text .con {
    flex-wrap: wrap;
  }
  .inner-banner.product_details .text .con .left {
    width: 100%;
    order: 2;
    margin-top: 30px;
  }
  .inner-banner.product_details .text .con .left p {
    display: block;
    max-width: 100%;
  }
  .inner-banner.product_details .text .con .left dl {
    margin-top: 20px;
  }
  .inner-banner.product_details .text .con .left dl dd {
    margin-right: 20px;
  }
  .inner-banner.product_details .text .con .left dl dd img {
    height: 20px;
  }
  .inner-banner.product_details .text .con .left ul {
    font-size: 14px;
    margin-top: 14px;
  }
  .inner-banner.product_details .text .con .left ul li {
    padding-left: 14px;
  }
  .inner-banner.product_details .text .con .left ul li:before {
    width: 4px;
    height: 4px;
  }
  .inner-banner.product_details .text .con .left ul li:not(:last-child) {
    margin-right: 10px;
  }
  .inner-banner.product_details .text .con .right {
    width: 100%;
    top: 0;
  }
}