.banner {
  width: 100%;
  height: 460px;
  background-image: url(/images/business/pcb/through-hole/banner-1.png);
  background-size: cover;
  background-position: center center;
}
.banner .w-1200 {
  height: 100%;
  padding: 160px 0 0;
  position: relative;
}
.banner .w-1200 p {
  max-width: 652px;
  font-size: 36px;
  color: #303133;
  line-height: 50px;
  font-weight: 600;
}
.banner .w-1200 .contact-btn {
  width: 106px;
  height: 32px;
  line-height: 32px;
  background-color: #2D914B;
  border: none;
  font-size: 14px;
  color: #fff;
  position: absolute;
  left: 0;
  bottom: 88px;
}
.page-nav {
  width: 100%;
  height: 60px;
  background-color: #f4f5f7;
}
.page-nav ul {
  display: flex;
  justify-content: space-between;
}
.page-nav ul .nav-item {
  line-height: 60px;
  text-align: center;
  font-size: 16px;
  color: #303133;
  display: inline-block;
  vertical-align: middle;
}
.page-nav ul .nav-item a {
  height: 57px;
  display: inline-block;
  position: relative;
  border-bottom: 3px solid #f4f5f7;
}
.page-nav ul .nav-item:hover a {
  color: #2D914B;
}
.page-nav ul .nav-item.active a {
  color: #2D914B;
  border-color: #2D914B;
}
.page-nav-more {
  width: 100%;
  background-color: #fff;
  box-shadow: 0px 3px 23px 0px #f4f5f7;
}
.page-nav-more ul {
  padding: 0 0 20px;
}
.page-nav-more ul li {
  display: inline-block;
  vertical-align: top;
  margin: 20px 24px 0 0;
}
.page-nav-more ul li a {
  min-width: 130px;
  font-size: 12px;
  color: #606266;
  padding: 9px 15px;
  line-height: 14px;
  border-radius: 4px;
  text-align: center;
  background: #f4f5f7;
  display: inline-block;
  box-sizing: border-box;
}
.page-nav-more ul li.active a {
  background-color: #2d914b;
  color: #fff;
}
.sec-2 {
  width: 100%;
  padding: 64px 0;
  background: #f4f5f7;
  position: relative;
  overflow: hidden;
}
.sec-2 .w-1200 .com-t {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
  font-weight: 600;
}
.sec-2 .w-1200 .swiper-container {
  width: 1224px;
  height: 444px;
  margin: 56px 0 0;
}
.sec-2 .w-1200 .swiper-container .wrapper {
  height: 100%;
  display: inline-block;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide {
  width: 282px !important;
  height: 100%;
  display: inline-block;
  vertical-align: top;
  background-color: #fff;
  border-radius: 32px;
  overflow: hidden;
  margin: 0 24px 0 0;
  position: relative;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .imgbox {
  width: 100%;
  height: 200px;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .imgbox img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .detail dl {
  padding: 24px 24px 0;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .detail dl dt {
  font-size: 20px;
  color: #303133;
  font-weight: 600;
  line-height: 26px;
  height: 52px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .detail dl dd {
  font-size: 14px;
  color: #606266;
  line-height: 18px;
  margin: 8px 0 0;
  padding: 0 0 0 18px;
  position: relative;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide .detail dl dd::after {
  content: '';
  width: 10px;
  height: 10px;
  background: #fff;
  border: 3px solid #2D914B;
  border-radius: 50%;
  display: inline-block;
  position: absolute;
  top: 4px;
  left: 0;
  box-sizing: border-box;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide button {
  width: 88px;
  height: 32px;
  line-height: 28px;
  font-size: 14px;
  color: #303133;
  background: #fff;
  border-radius: 17px;
  border: 1px solid #909399;
  outline: none;
  display: inline-block;
  position: absolute;
  bottom: 24px;
  left: 24px;
  cursor: pointer;
}
.sec-2 .w-1200 .swiper-container .wrapper .swiper-slide button i {
  width: 16px;
  height: 16px;
  background: url(/images/business/pcb/through-hole/icon_sprites.png) -10px -46px;
  display: inline-block;
  vertical-align: middle;
  margin: 0 8px 0 0;
}
.sec-2 .w-1200 .swiper-container::after {
  content: '';
  width: 24px;
  height: 100%;
  background-color: #f4f5f7;
  display: inline-block;
  position: absolute;
  right: 0;
  bottom: 0;
}
.sec-2 .arrow {
  width: 56px;
  height: 56px;
  background-image: url('/images/switch-arrow.png');
  background-position: -10px -10px;
  display: inline-block;
  padding: 7px;
  position: absolute;
  bottom: 260px;
  left: 50%;
  margin: 0 0 0 -680px;
}
.sec-2 .arrow i {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
}
.sec-2 .right-arrow {
  background-image: url('/images/switch-arrow.png');
  background-position: -86px -10px;
  margin: 0 0 0 628px;
}
.sec-3 {
  width: 100%;
  background-color: #fff;
  padding: 80px 0;
}
.sec-3 .com-t {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
  font-weight: 600;
}
.sec-3 .top-nav {
  width: 100%;
  border-bottom: 1px solid #e5e5e5;
  margin: 50px 0 0;
}
.sec-3 .top-nav .nav-list {
  width: 25%;
  display: inline-block;
  vertical-align: bottom;
  text-align: center;
  position: relative;
  cursor: pointer;
}
.sec-3 .top-nav .nav-list img {
  width: 120px;
  transition: all 0.3s;
  transform-origin: 50% 80%;
}
.sec-3 .top-nav .nav-list span {
  width: 100%;
  font-size: 14px;
  color: #191919;
  line-height: 16px;
  padding: 12px 0;
  display: inline-block;
}
.sec-3 .top-nav .nav-list.active img {
  transform: scale(1.5);
}
.sec-3 .top-nav .nav-list.active:after {
  content: '';
  height: 3px;
  background-color: #2D914B;
  display: inline-block;
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
}
.sec-3 .bottom-items {
  width: 100%;
  margin: 24px 0 0;
}
.sec-3 .bottom-items .item-list {
  width: 100%;
  height: 370px;
  display: none;
  position: relative;
}
.sec-3 .bottom-items .item-list img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sec-3 .bottom-items .item-list .detail {
  padding: 56px 32px 24px;
  box-sizing: border-box;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), #000000);
  backdrop-filter: blur(2px);
}
.sec-3 .bottom-items .item-list .detail p {
  font-size: 24px;
  color: #fff;
  line-height: 20px;
}
.sec-3 .bottom-items .item-list .detail span {
  font-size: 16px;
  color: #ccc;
  line-height: 32px;
  margin: 22px 0 0;
  display: inline-block;
}
.sec-3 .bottom-items .item-list.active {
  display: inline-block;
}
.sec-4 {
  width: 100%;
  background-color: #f9f9f9;
  padding: 64px 0;
}
.sec-4 .com-t {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
  font-weight: 600;
}
.sec-4 ul {
  width: 100%;
  margin: 64px 0 0;
  display: flex;
  gap: 20px;
}
.sec-4 ul li {
  flex: 1;
  height: 258px;
  position: relative;
  overflow: hidden;
}
.sec-4 ul li > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.sec-4 ul li > .title {
  width: 100%;
  height: 56px;
  line-height: 56px;
  background-color: rgba(0, 0, 0, 0.49);
  border-radius: 2px;
  padding: 0 24px;
  font-size: 18px;
  color: #fff;
  position: absolute;
  bottom: 0;
  left: 0;
}
.sec-4 ul li .bg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: all 0.3s;
  background-color: rgba(0, 0, 0, 0.49);
  padding: 56px 24px 32px;
}
.sec-4 ul li .bg .t {
  font-size: 18px;
  color: #fff;
  line-height: 25px;
  font-weight: 600;
}
.sec-4 ul li .bg span {
  font-size: 14px;
  color: #fff;
  line-height: 20px;
  padding: 24px 0 0;
  display: inline-block;
}
.sec-4 ul li:hover > .title {
  display: none;
}
.sec-4 ul li:hover .bg {
  opacity: 1;
}
.sec-5 {
  height: 748px;
  height: 436px;
  background: url(/images/business/pcb/through-hole/img-11.png) no-repeat;
  background-size: cover;
  background-position: center center;
  padding: 80px 0 0;
  box-sizing: border-box;
}
.sec-5 .com-t {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
  font-weight: 600;
}
.sec-5 .com-p {
  font-size: 16px;
  color: #909399;
  line-height: 16px;
  text-align: center;
  margin: 24px 0 0;
}
.sec-5 ul {
  width: 1200px;
  margin: 56px auto;
}
.sec-5 ul li {
  width: 20%;
  display: inline-block;
  vertical-align: top;
  text-align: center;
  white-space: nowrap;
  box-sizing: border-box;
}
.sec-5 ul li strong {
  width: 100%;
  font-size: 48px;
  font-weight: 700;
  color: #303133;
  line-height: 66px;
  display: block;
}
.sec-5 ul li .line {
  width: 32px;
  height: 3px;
  background-color: #2D914B;
  display: inline-block;
  margin: 2px 0 15px;
}
.sec-5 ul li p {
  width: 100%;
  font-size: 24px;
  color: #303133;
  line-height: 32px;
  font-weight: 600;
}
.sec-5 ul li span {
  width: 100%;
  font-size: 16px;
  color: #606266;
  line-height: 22px;
  display: inline-block;
  margin: 8px 0 0;
}
.sec-6 {
  width: 100%;
  padding: 64px 0;
  background-color: #F9F9F9;
}
.sec-6 .com-t {
  font-size: 30px;
  color: #303133;
  line-height: 30px;
  text-align: center;
  font-weight: 600;
}
.sec-6 .com-p {
  font-size: 16px;
  color: #909399;
  line-height: 16px;
  text-align: center;
  margin: 24px 0 0;
}
.sec-6 ul {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin: 56px 0 0;
}
.sec-6 ul li {
  width: 227px;
  height: 97px;
  background-color: #fff;
  border-radius: 5px;
  overflow: hidden;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.sec-6 ul li img {
  max-width: 100%;
  max-height: 100%;
  object-fit: cover;
}
.sec-6 ul li:hover {
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s;
}
.footr {
  width: 100%;
  height: 150px;
  background-image: url(/images/business/pcb/through-hole/img-25.png);
  background-size: cover;
  background-position: center center;
}
.footr .w-1200 {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footr .w-1200 span {
  font-size: 30px;
  color: #fff;
  font-weight: 600;
}
.footr .w-1200 button {
  width: 296px;
  height: 64px;
  line-height: 64px;
  background: #fff;
  border-radius: 4px;
  box-shadow: 0px 10px 20px 0px rgba(0, 0, 0, 0.06);
  border: none;
  cursor: pointer;
  font-size: 21px;
  color: #2D914B;
}