.productAbout {
  width: 100%;
  background: #fff;
  padding: 50px 0 110px;
}

.productAbout .productAbout_title {
  font-size: 40px;
  line-height: 1;
  font-weight: 500;
  text-align: center;
  color: #333333;
}

.productAbout .productAbout_text {
  font-size: 16px;
  line-height: 28px;
  color: #666666;
  font-weight: 500;
  margin-top: 30px;
  width: 1050px;
  max-width: 100%;
  text-align: center;
  margin: 0 auto;
  margin-top: 30px;
}

.productAbout ul {
  display: flex;
  flex-wrap: wrap;
}

.productAbout ul li {
  margin-top: 30px;
  width: 31.6875%;
  aspect-ratio: 507/352;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: 2.46875%;
  border-radius: 8px;
}

.productAbout ul li:nth-child(3n) {
  margin-right: 0;
}

.productAbout ul li img {
  display: block;
  max-width: 90%;
  max-height: 90%;
  object-fit: contain;
}

.Features {
  background: #efefef;
  padding: 90px 0;
}

.Features .Features_title {
  font-size: 40px;
  line-height: 1;
  color: #333333;
  font-weight: 500;
  text-align: center;
}

.Features .Features_bom {
  margin-top: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.Features .Features_bom .Features_prc {
  width: 51.5%;
  border-radius: 8px;
  overflow: hidden;
}

.Features .Features_bom .Features_prc img {
  display: block;
  width: 100%;
  object-fit: cover;
  transition: all 0.3s;
}

.Features .Features_bom .Features_prc img:hover {
  transform: scale(1.05);
}

.Features .Features_bom .Features_text {
  width: calc(48.5% - 70px);
}

.Features .Features_bom .Features_text ul li {
  position: relative;
  padding-left: 19px;
  font-size: 18px;
  line-height: 33px;
  color: #4c4c4c;
  font-weight: 500;
}

.Features .Features_bom .Features_text ul li::before {
  content: "";
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 13px;
  background: #81ccdb;
}

.Features .Features_bom .Features_text ul li span {
  font-weight: 600;
}

.parameter {
  width: 100%;
  background: #ffffff;
  padding: 100px 0;
}

.parameter .parameter_title {
  font-size: 40px;
  line-height: 1;
  font-weight: 500;
  color: #333333;
  text-align: center;
}

.parameter .parameter_bom {
  width: 100%;
  margin-top: 30px;
  box-shadow: 0 0 10px rgba(0,0,0,0.2);
}

/* .parameter .parameter_bom .parameter_opt ul {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  overflow-x: auto;
}

.parameter .parameter_bom .parameter_opt ul li {
  line-height: 40px;
  font-size: 16px;
  font-weight: 500;
  color: #666666;
  cursor: pointer;
  margin-right: 44px;
  transition: all 0.3s;
  padding: 0 30px;
  white-space: nowrap;
}

.parameter .parameter_bom .parameter_opt ul li:last-child {
  margin-right: 0;
}

.parameter .parameter_bom .parameter_opt ul li:hover {
  color: #81ccdb;
}

.parameter .parameter_bom .parameter_opt ul li.active {
  height: 40px;
  border-radius: 40px;
  background: #81ccdb;
  color: #fff;
}

.parameter .parameter_bom .parameter_opb {
  margin-top: 40px;
  width: 100%;
  border-top: 1px solid #81ccdb;
}

.parameter .parameter_bom .parameter_opb .parameter_opbox {
  width: 100%;
  display: none;
}

.parameter .parameter_bom .parameter_opb .parameter_opbox.active {
  display: block;
}

.parameter_opbox ul li {
  display: flex;
  justify-content: center;
  font-size: 16px;
  line-height: 24px;
  color: #4c4c4c;
  text-align: center;
  background: #fff;
}

.parameter_opbox ul li:nth-child(2n) {
  background: #efefef;
}

.parameter_opbox ul li .parameter_opbL {
  width: 25.375%;
  padding: 8px;
  border-right: 1px solid #81ccdb;
}

.parameter_opbox ul li .parameter_opbR {
  width: 74.625%;
  padding: 8px;
} */
.parameter .parameter_bom .box{
  height: 630px;
  overflow: hidden;
}
.parameter .parameter_bom dl{
  display: table;
  width: 100%;
}
.parameter .parameter_bom dl dd:first-child{
  width: 17.5%;
  display:table-cell;
}
.parameter .parameter_bom dl dd{
  width: 27.5%;
  display: table-cell;
}
.parameter .parameter_bom dl h3{
  font-size: 15px;
  font-weight: bold;
  color: #333333;
}
.parameter .parameter_bom dl div{
  width: 100%;
  display: block;
  font-size: 15px;
  line-height: 30px;
  text-align: center;
  color: #808080;
  padding: 5px;
}
.parameter .parameter_bom dl div span{
  display: flex;
  justify-content: center;
  width: 100%;
  height: 180px;
}
.parameter .parameter_bom dl div span img{
  max-width: 100%;
  max-height: 100%;
}
.parameter .parameter_bom dl div:nth-child(2n){
  background: #f7f8fa;
}
.parameter .parameter_bom dl dd:first-child div{
  color: #333333;
}
.parameter .parameter_bom dl dd:first-child h3{
  font-weight: normal;
}
.parameter .parameter_bom .more{
  display: flex;
  justify-content: center;
  padding: 15px;
  cursor: pointer;
}
.parameter .parameter_bom.active .box{
  height: auto;
}
.parameter .parameter_bom.active .more{
  display: none;
}

.industryApplications {
  width: 100%;
  background: #ffffff;
  padding-bottom: 100px;
}

.industryApplications .industryApplications_title {
  font-size: 40px;
  line-height: 1;
  color: #333333;
  font-weight: 500;
  text-align: center;
}

.industryApplications .industryApplications_text {
  font-size: 18px;
  line-height: 36px;
  color: #666666;
  font-weight: 500;
  margin-top: 24px;
  text-align: center;
}

.industryApplications .industryApplications_bom {
  display: flex;
  flex-wrap: wrap;
}

.industryApplications .industryApplications_box {
  width: 23.125%;
  margin-top: 40px;
  margin-right: 2.5%;
  border-radius: 8px;
}

.industryApplications .industryApplications_box:nth-child(4n) {
  margin-right: 0;
}

.industryApplications .industryApplications_box .industryApplications_prc {
  width: 100%;
  aspect-ratio: 370/260;
  overflow: hidden;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
}

.industryApplications_box .industryApplications_prc img {
  display: block;
  width: 100%;
  min-height: 100%;
  object-fit: cover;
  transition: all 0.3s;
}

.industryApplications_box:hover .industryApplications_prc img {
  transform: scale(1.05);
}

.industryApplications_box .industryApplications_b {
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  border: 1px solid #e6e6e6;
  border-top: none;
  padding: 16px 30px 30px;
  display: flex;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.industryApplications_box .industryApplications_b .industryApplications_name {
  font-size: 24px;
  line-height: 1.2;
  color: #333333;
  font-weight: bold;
  transition: all 0.3s;
  width: 100%;
}

.industryApplications_box:hover
  .industryApplications_b
  .industryApplications_name {
  color: #81ccdb;
}

.industryApplications_box .industryApplications_b .industryApplications_text {
  font-size: 16px;
  line-height: 28px;
  width: 100%;
  color: #666666;
  margin-top: 10px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
}

.industryApplications_box .industryApplications_b .industryApplications_more {
  width: 120px;
  height: 36px;
  border-radius: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #81ccdb;
  color: #666666;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s;
  margin-top: 20px;
}

.industryApplications_box:hover
  .industryApplications_b
  .industryApplications_more {
  background: #81ccdb;
  color: #fff;
}

/* 响应式设计 */
@media (max-width: 1500px) {
  .productAbout {
    padding: 40px 0 90px;
  }
  .productAbout .productAbout_title,
  .Features .Features_title,
  .parameter .parameter_title,
  .industryApplications .industryApplications_title {
    font-size: 36px;
  }
  .productAbout .productAbout_text {
    font-size: 15px;
    line-height: 26px;
  }
  .Features {
    padding: 80px 0;
  }
  .Features .Features_bom .Features_text ul li {
    font-size: 17px;
    line-height: 31px;
  }
  .parameter {
    padding: 80px 0;
  }
  .industryApplications {
    padding-bottom: 80px;
  }
  .industryApplications .industryApplications_text {
    font-size: 17px;
    line-height: 34px;
  }
  .industryApplications_box .industryApplications_b .industryApplications_name {
    font-size: 22px;
  }
  .industryApplications_box .industryApplications_b .industryApplications_text {
    font-size: 15px;
    line-height: 26px;
  }
}

@media (max-width: 1200px) {
  .productAbout .productAbout_title,
  .Features .Features_title,
  .parameter .parameter_title,
  .industryApplications .industryApplications_title {
    font-size: 32px;
  }
  .productAbout ul li {
    width: 31.5%;
    margin-right: 2.75%;
  }
  .Features .Features_bom .Features_prc {
    width: 50%;
  }
  .Features .Features_bom .Features_text {
    width: calc(50% - 50px);
  }
  .parameter .parameter_bom .parameter_opt ul {
    justify-content: flex-start;
  }
  .parameter .parameter_bom .parameter_opt ul li {
    margin-right: 35px;
    padding: 0 25px;
  }
  .industryApplications .industryApplications_box {
    width: 23%;
    margin-right: 2.67%;
  }
  .industryApplications_box .industryApplications_b {
    padding: 14px 25px 25px;
  }
}

@media (max-width: 992px) {
  .productAbout {
    padding: 30px 0 70px;
  }
  .productAbout ul li {
    width: 48%;
    margin-right: 4%;
    margin-top: 25px;
  }
  .productAbout ul li:nth-child(3n) {
    margin-right: 4%;
  }
  .productAbout ul li:nth-child(2n) {
    margin-right: 0;
  }
  .Features {
    padding: 60px 0;
  }
  .Features .Features_bom {
    flex-direction: column;
  }
  .Features .Features_bom .Features_prc {
    width: 100%;
    margin-bottom: 30px;
  }
  .Features .Features_bom .Features_text {
    width: 100%;
  }
  .parameter {
    padding: 60px 0;
  }
  .parameter .parameter_bom .parameter_opt ul li {
    margin-right: 25px;
    padding: 0 20px;
    font-size: 15px;
  }
  .industryApplications {
    padding-bottom: 60px;
  }
  .industryApplications .industryApplications_box {
    width: 48%;
    margin-right: 4%;
    margin-top: 30px;
  }
  .industryApplications .industryApplications_box:nth-child(4n) {
    margin-right: 4%;
  }
  .industryApplications .industryApplications_box:nth-child(2n) {
    margin-right: 0;
  }
  .industryApplications_box .industryApplications_b .industryApplications_more {
    width: 110px;
    height: 34px;
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  .productAbout {
    padding: 30px 0px;
  }
  .productAbout .productAbout_title,
  .Features .Features_title,
  .parameter .parameter_title,
  .industryApplications .industryApplications_title {
    font-size: 24px;
  }
  .productAbout .productAbout_text {
    font-size: 14px;
    line-height: 24px;
  }
  .productAbout ul li {
    width: 100%;
    margin-right: 0;
    margin-top: 20px;
  }
  .productAbout ul li:nth-child(3n),
  .productAbout ul li:nth-child(2n) {
    margin-right: 0;
  }
  .Features {
    padding: 40px 0px;
  }
  .Features .Features_bom .Features_text ul li {
    font-size: 15px;
    line-height: 28px;
  }
  .parameter {
    padding: 40px 0px;
  }
  .parameter .parameter_bom .parameter_opt ul {
    justify-content: flex-start;
  }
  .parameter .parameter_bom .parameter_opt ul li {
    margin-right: 15px;
    margin-bottom: 15px;
    padding: 0 18px;
    font-size: 14px;
  }
  .parameter_opbox ul li {
    flex-direction: column;
    align-items: stretch;
  }
  .parameter_opbox ul li:nth-child(2n) {
    background: none;
  }
  .parameter_opbox ul li .parameter_opbL,
  .parameter_opbox ul li .parameter_opbR {
    width: 100%;
    padding: 12px;
    text-align: center;
    border-right: none;
    border-bottom: 1px solid #81ccdb;
  }
  .parameter_opbox ul li .parameter_opbL {
    background: #efefef;
  }
  .parameter_opbox ul li .parameter_opbR {
    border-bottom: none;
  }
  .industryApplications {
    padding: 0 0px 40px;
  }
  .industryApplications .industryApplications_text {
    font-size: 15px;
    line-height: 30px;
  }
  .industryApplications .industryApplications_box {
    width: 100%;
    margin-right: 0;
    margin-top: 25px;
  }
  .industryApplications .industryApplications_box:nth-child(4n),
  .industryApplications .industryApplications_box:nth-child(2n) {
    margin-right: 0;
  }
  .industryApplications_box .industryApplications_b {
    padding: 14px 20px 20px;
  }
  .industryApplications_box .industryApplications_b .industryApplications_name {
    font-size: 20px;
  }
  .industryApplications_box .industryApplications_b .industryApplications_text {
    font-size: 14px;
    line-height: 24px;
  }
  .industryApplications_box .industryApplications_b .industryApplications_more {
    width: 100%;
    height: 36px;
    font-size: 14px;
  }
}