.first-section {
  background: url(../images/product/first_bg.jpg) no-repeat center center;
  background-size: cover;
  padding: 0.4rem 0 0.3rem;
}
.first-section h1 {
  font-family: Impact;
  text-align: center;
  font-size: 0.6rem;
  line-height: 1.5;
  color: #fff;
  font-weight: normal;
  text-shadow: 4px 4px 3px rgba(19, 19, 19, 0.54);
}
.first-section .info-list {
  padding: 0.22rem 0.6rem;
  display: flex;
  justify-content: space-between;
  font-family: Arial;
}
.first-section .info-list .info-item {
  width: 47.5%;
  font-size: 0.28rem;
  line-height: 1.25;
  color: #fff;
  text-align: center;
  background: #eb5b24;
  border-radius: 0.1rem;
  padding: 0.2rem 0;
}
.first-section .pro-img {
  display: block;
  width: 61.5%;
  height: auto;
  margin: 0 auto;
}

.second-section { 
  padding: 0.5rem 0.3rem 0;
  font-family: Arial;
}
.second-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.second-section p {
  color: #666;
  font-size: 0.28rem;
  line-height: 1.5;
  margin-top: 0.35rem;
}

.third-section { 
  padding: 0.4rem 0.3rem 0;
  font-family: Arial;
}
.third-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.third-section .pro-detail {
  margin-top: 0.5rem;
  margin-bottom: 0.3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.third-section .pro-detail .left-img {
  width: 44.2%;
}
.third-section .pro-detail .left-img .img1 {
  width: 100%;
  height: auto;
  display: block;
}
.third-section .pro-detail .right-img {
  width: 55%;
  display: flex;
  justify-content: space-between;
  align-content: space-between;
  flex-wrap: wrap;
}
.third-section .pro-detail .right-img .img2,.third-section .pro-detail .right-img .img3 {
  width: 49.2%;
  height: auto;
  display: block;
}
.third-section .pro-detail .right-img .img4 {
  width: 100%;
  height: auto;
  display: block;
}
.third-section .btn-group {
  display: flex;
  justify-content: space-between;
  margin: 0.6rem auto 0.3rem;
}
.third-section .btn-group a {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 0.32rem;
  padding: 0.15rem 0;
  width: 48%;
  border-radius: 0.1rem;
}
.third-section .btn-group a img {
  display: block;
  margin-right: 0.2rem;
  width: 0.5rem;
  height: auto;
}
.third-section .btn-group a:first-child {
  color: #3c4457;
  border: solid 1px #3c4457;
}
.third-section .btn-group a:last-child {
  color: #fff;
  border: solid 1px #eb5b24;
  background: #eb5b24;
}

.fourth-section { 
  padding: 0.2rem 0.3rem 0.3rem;
  font-family: Arial;
}
.fourth-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.fourth-section .product-video {
  width: 100%;
  position: relative;
  margin-top: 0.4rem;
}
.fourth-section .product-video .video {
  width: 100%;
  height: auto;
  display: none;
  object-fit: cover;
}
.fourth-section .product-video .video-poster {
  width: 100%;
  height: auto;
  display: block;
}
.fourth-section .product-video  .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  cursor: pointer;
  width: 0.57rem;
  height: auto;
  display: block;
}

.fifth-section { 
  padding: 0.2rem 0.3rem;
  font-family: Arial;
}
.fifth-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.fifth-section .pro-advantage {
  margin-top: 0.5rem;
}
.fifth-section .pro-advantage .adv-text {
  background: #f5f6f6;
  border-radius: 0.1rem;
  margin-bottom: 0.2rem;
  padding: 0.3rem;
}
.fifth-section .pro-advantage .adv-text h2 {
  font-size: 0.28rem;
  line-height: 0.42rem;
  color: #333;
  font-weight: 700;
}
.fifth-section .pro-advantage .adv-text p {
  font-size: 0.28rem;
  line-height: 0.42rem;
  color: #666;
  hyphens: auto;
  margin-top: 0.1rem;
}

.sixth-section { 
  padding: 0.2rem 0.3rem;
  font-family: Arial;
}
.sixth-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
  margin-bottom: 0.45rem;
}
.sixth-section .pro-parameter {
  width: 100%;
  overflow-x: scroll;
}
.sixth-section .pro-parameter p {
  font-size: 0.2rem !important;
}
.sixth-section .pro-parameter table {
  width: 100%;
  border-collapse: collapse;
}
.sixth-section .pro-parameter table tr:hover {
  background: #e3e3e3;
}
.sixth-section .pro-parameter table tr td {
  border: 1px solid #edecec;
  text-align: center;
  color: #666;
  font-size: 0.22rem;
  line-height: 0.3rem;
  padding: 0.1rem;
}
.sixth-section .pro-parameter table tr .head {
  background: #3d4457;
  color: #fff;
}
.sixth-section .pro-parameter table tr .white {
  background: #fff;
}
.sixth-section .pro-parameter table tr:nth-child(odd) {
  background: #e3e3e3;
}
.sixth-section .pro-parameter table tr:first-child {
  background: #3d4457;
}
.sixth-section .pro-parameter table tr:first-child td {
  color: #fff;
}

.seventh-section { 
  padding: 0.2rem 0.3rem;
  font-family: Arial;
}
.seventh-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.seventh-section .case-list {
  margin-top: 0.45rem;
}
.seventh-section .case-list .case-item {
  background: #fff;
  box-shadow: 0px 0px 0.2rem 0px rgba(0, 0, 0, 0.1);
  border-radius: 0.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.2rem;
  margin-bottom: 0.3rem;
}
.seventh-section .case-list .case-item .img-box {
  width: 36%;
}
.seventh-section .case-list .case-item .img-box img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.1rem;
}
.seventh-section .case-list .case-item .info-box {
  width: 64%;
  padding-left: 0.28rem;
}
.seventh-section .case-list .case-item .info-box h2 {
  font-size: 0.28rem;
  line-height: 0.42rem;
  margin-bottom: 0.1rem;
  color: #333;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}
.seventh-section .case-list .case-item .info-box p {
  font-size: 0.28rem;
  line-height: 0.42rem;
  color: #666;
  overflow: hidden;
  text-overflow: ellipsis;
  -webkit-line-clamp: 1;
  display: -webkit-box;
  -webkit-box-orient: vertical;
}

.eight-section { 
  padding: 0rem 0.3rem 0.2rem;
  font-family: Arial;
}
.eight-section h1 {
  font-weight: 700;
  font-size: 0.36rem;
  line-height: 1.5;
  color: #333333;
  text-align: center;
}
.eight-section .material-list {
  margin-top: 0.45rem;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.eight-section .material-list .material-item {
  width: 23%;
  border-radius: 0.1rem;
  margin-bottom: 0.2rem;
}
.eight-section .material-list .material-item .material-img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.1rem 0.1rem 0 0;
}
.eight-section .material-list .material-item .material-title {
  padding: 0.1rem 0;
  text-align: center;
  font-size: 0.28rem;
  line-height: 0.3rem;
  color: #333;
  background: #fafafa;
  margin-top: -0.04rem;
  position: relative;
  z-index: 2;
  border-radius: 0 0 0.1rem 0.1rem;
}

@media (max-width: 450px){
  .first-section .info-list {
    padding: 0.22rem 0.3rem;
  }
}