.current-menu-item-active > a {
  color: var(--accent);
}
.current-menu-item-active > a {
  color: #fff;
}
.product_home_banner {
  position: relative;
}
.product_home_banner_bg,
.product_home_banner_item {
  height: 900px;
}
.product_home_banner_bg img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.product_home_banner_bg img.mobile {
  display: none;
}
.product_home_banner_item {
  display: flex;
  justify-content: space-between;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
}
.product_home_banner_pic {
  width: 65%;
  position: relative;
}
.product_home_banner_pic img {
  position: absolute;
  bottom: 0;
}
.product_home_banner_text {
  margin-top: 130px;
}
.product_home_banner_text_1 {
  font-size: 80px;
  color: #fff;
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.15;
  margin-bottom: 12px;
  font-family: "ESKlarheitGrotesk-Extralight";
}
.product_home_banner_text_1 p {
  margin-bottom: 0;
}
.product_home_banner_text_1 p:nth-child(2) {
  margin-right: 70px;
}
.product_home_banner_text_1 p:nth-child(2)::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #fff;
  margin-left: 6px;
}
.product_home_banner_text_2 {
  font-size: 34px;
  color: #fff;
  display: flex;
  justify-content: flex-start;
  flex-direction: column;
  align-items: flex-end;
  line-height: 1.3;
  font-family: "ESKlarheitGrotesk-Medium";
}
.product_home_banner_text_2 p {
  margin-bottom: 0;
}
.product_home_banner_text_2 p:last-child {
  font-family: "ESKlarheitGrotesk-Extralight";
}
.product_home_banner_pic {
  width: 62%;
}
.product_home_banner_text_1 {
  font-size: 76px;
}
.product_home_banner_text_1 p:nth-child(2) {
  margin-right: 60px;
}
.product_home_banner_bg,
.product_home_banner_item {
  height: 750px;
}
.product_home_banner_text_1 {
  font-size: clamp(60px, 4.125vw, 70px);
}
.product_home_banner_text_2 {
  font-size: 28px;
}
.product_home_banner_bg,
.product_home_banner_item {
  height: 700px;
}
.product_home_banner_text_1 {
  font-size: 52px;
}
.product_home_banner_bg,
.product_home_banner_item {
  height: 400px;
}
.product_home_banner_pic {
  width: 60%;
}
.product_home_banner_text_1 {
  font-size: 42px;
}
.product_home_banner_text_1 p:nth-child(2) {
  margin-right: 40px;
}
.product_home_banner_text_2 {
  font-size: 22px;
}
.product_home_banner_bg,
.product_home_banner_item {
  height: auto;
}
.product_home_banner_bg img.desktop,
.product_home_banner_pic {
  display: none;
}
.product_home_banner_bg img.mobile {
  display: block;
}
.product_home_banner_text {
  margin-top: 110px;
  width: 100%;
}
.product_home_banner_text_1 {
  font-size: 38px;
  margin-bottom: 5px;
  line-height: 1.2;
}
.product_home_banner_text_1 p:nth-child(2) {
  margin-right: 30px;
}
.product_home_banner_text_1 p:nth-child(2)::after {
  width: 4px;
  height: 4px;
  margin-left: 3px;
  margin-bottom: -1px;
}
.product_home_banner_text_2 {
  font-size: 16px;
}
.product_home_main {
  background: #000;
  padding-top: 160px;
}
.product_home_main_title {
  font-size: 74px;
  color: var(--accent);
  line-height: 1.2;
  text-align: right;
  margin-bottom: 60px;
  font-family: "ESKlarheitGrotesk-Regular";
}
.product_home_main_title p {
  margin-bottom: 0;
}
.product_home_main_title p:nth-child(2) {
  margin-right: 35px;
}
.product_home_main_title p:nth-child(2)::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--accent);
  margin-left: 6px;
}
.product_home_item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 80px;
}
.product_home_item:last-child {
  margin-bottom: 0;
}
.product_home_item_img {
  width: 45%;
}
.product_home_item_info {
  width: 45%;
  color: #fff;
}
.product_home_item_info .product_home_item_info_text {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}
.product_home_item_info .product_home_item_info_text img {
  width: 122px;
  margin-right: 30px;
}
.product_home_item_info .product_home_item_info_text h3 {
  width: 80%;
  font-size: 38px;
  font-family: "ESKlarheitGrotesk-Medium";
  margin-bottom: 0;
  line-height: 1.2;
}
.product_home_item_info .product_home_item_info_text p {
  width: 100%;
  font-size: 22px;
  line-height: 1.5;
  margin-bottom: 0;
  font-family: "ESKlarheitGrotesk-Regular";
  margin-top: 60px;
}
.product_home_main_title {
  line-height: 1;
}
.product_home_item_info .product_home_item_info_text img {
  width: 118px;
}
.product_home_item_info .product_home_item_info_text h3 {
  width: 70%;
  font-size: 36px;
}
.product_home_main {
  padding-top: 120px;
}
.product_home_main_title {
  font-size: 62px;
  margin-bottom: 30px;
}
.product_home_item {
  margin-bottom: 60px;
}
.product_home_item_info .product_home_item_info_text img {
  width: 95px;
}
.product_home_item_info .product_home_item_info_text h3 {
  font-size: 30px;
}
.product_home_item_info .product_home_item_info_text p {
  font-size: 20px;
  line-height: 1.4;
  margin-top: 50px;
}
.product_home_main_title {
  font-size: 52px;
}
.product_home_item_info .product_home_item_info_text img {
  margin-right: 20px;
}
.product_home_item_info .product_home_item_info_text p {
  font-size: 18px;
}
.product_home_item_info .product_home_item_info_text h3 {
  font-size: 28px;
}
.product_home_item_info .product_home_item_info_text p {
  margin-top: 30px;
}
.product_home_item_info .product_home_item_info_text img {
  width: 80px;
}
.product_home_item_info .product_home_item_info_text h3 {
  font-size: 26px;
}
.product_home_item_info .product_home_item_info_text p {
  font-size: 16px;
}
.product_home_main {
  padding-top: 60px;
  padding-bottom: 60px;
}
.product_home_main_title {
  font-size: 42px;
  position: unset;
  margin-bottom: 40px;
}
.product_home_item_img {
  width: 40%;
}
.product_home_item_info .product_home_item_info_text img {
  width: 80px;
}
.product_home_item_info .product_home_item_info_text h3 {
  font-size: 26px;
}
.product_home_main_title {
  font-size: 34px;
  margin-bottom: 50px;
  text-align: left;
}
.product_home_main_title p:nth-child(2) {
  margin-right: 25px;
}
.product_home_main_title p:nth-child(2)::after {
  width: 4px;
  height: 4px;
  margin-left: 3px;
}
.product_home_item {
  flex-wrap: wrap;
}
.product_home_item_img,
.product_home_item_info {
  width: 100%;
}
.product_home_item_img img {
  width: 100%;
}
.product_home_item_info {
  margin-bottom: 0;
}
.product_home_item_info .product_home_item_info_text h3 {
  font-size: 18px;
}
.product_home_item_info .product_home_item_info_text img {
  width: 60px;
  margin-right: 15px;
}
.product_home_item_info .product_home_item_info_text p {
  font-size: 14px;
  width: 100%;
  margin-top: 20px;
}
.product_home_main div:nth-child(3) .product_home_item_info {
  order: 2;
}
.sc17-out {
  position: relative;
  background: #f0f0f0;
  padding-top: 160px;
  padding-bottom: 120px;
}
.sc17-nav {
  display: none;
}
.sc17-header {
  position: relative;
  margin-bottom: 70px;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  font-family: "ESKlarheitGrotesk-Regular";
}
.sc17-header span {
  display: block;
  width: auto;
  border-radius: 0;
  height: auto;
  color: #666;
  font-size: 46px;
  opacity: 1;
  background: transparent;
  margin-right: 82px;
  cursor: pointer;
}
.sc17-header .swiper-pagination-bullet:focus {
  outline: none;
}
.sc17-header span.hover {
  color: var(--accent) !important;
  border-bottom: 2px var(--accent) solid;
}
.sc17.swiper {
  padding-bottom: 70px;
}
.sc17-item-name {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  color: var(--accent);
  margin-bottom: 20px;
}
.sc17-item-name img {
  width: 168px;
  margin-right: 20px;
}
.sc17-item-name p {
  font-size: 48px;
  line-height: 1.1;
  margin-bottom: 0;
  font-family: "ESKlarheitGrotesk-Medium";
}
.product_table_content {
  margin-bottom: 80px;
}
.sc17-item-con::-webkit-scrollbar {
  width: 16px;
  background: transparent;
  position: absolute;
  left: 0;
}
.sc17-item-con::-webkit-scrollbar-thumb {
  background-color: var(--accent);
}
.sc17-biao {
  width: 100%;
}
.sc17-hang {
  width: 100%;
  font-size: 20px;
  display: flex;
  align-items: center;
  padding: 30px 0;
}
.sc17-tou .sc17-lie {
  width: 14%;
  background: transparent !important;
  font-family: "ESKlarheitGrotesk-Bold";
}
.sc17-tou .sc17-lie::after {
  display: none;
}
.sc17-lie {
  width: 14%;
  text-align: center;
  font-size: 24px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 80px;
  position: relative;
  font-family: "ESKlarheitGrotesk-Light";
}
.sc17-lie::after {
  content: "";
  width: 1.5px;
  height: 60%;
  background: #f4f4f4;
  position: absolute;
  right: 0;
}
.sc17-hang .sc17-lie:last-child::after {
  display: none;
}
.sc17-lie:nth-of-type(1) {
  width: 6%;
  background: transparent;
  justify-content: flex-start;
}
.sc17-check {
  border: 4px solid var(--accent);
  width: 50px;
  height: 50px;
  cursor: pointer;
}
.sc17-lie:nth-of-type(1) img {
  width: 100%;
  height: 100%;
}
.sc17-check img {
  display: none;
}
.sc17-check span {
  display: none;
}
.sc17-check-active img {
  display: block;
}
.sc17-lie:nth-of-type(2) {
  background: transparent;
  justify-content: flex-start;
  width: 10%;
}
.sc17-lie:nth-of-type(2) img {
  width: 140px;
}
.sc17-lie:nth-child(3):hover {
  color: var(--accent);
}
.sc17-ts {
  float: right;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  box-sizing: border-box;
  border: 4px solid var(--accent);
  cursor: pointer;
  color: var(--white);
  transition: all 0.3s;
}
.sc17-ts:hover {
  background: var(--accent);
  color: #fff;
}
.sc17-ts-img {
  width: 60px;
  height: 60px;
  background: var(--accent);
}
.sc17-ts-con {
  font-size: 32px;
  padding: 3px 40px;
  font-family: "ESKlarheitGrotesk-Extralight";
}
.nownum {
  width: 30px;
  text-align: center;
  display: inline-block;
}
@media screen and (max-width: 1440px) {
  .sc17-out {
    padding-top: 135px;
    padding-bottom: 100px;
  }
  .sc17-header {
    margin-bottom: 50px;
  }
  .sc17-header span {
    font-size: 32px;
    margin-right: 60px;
  }
  .sc17-item-name {
    margin-bottom: 6px;
  }
  .sc17-item-name img {
    width: 105px;
    margin-right: 15px;
  }
  .sc17-item-name p {
    font-size: 30px;
  }
  .sc17-hang {
    padding: 18px 0;
  }
  .sc17-lie {
    font-size: 20px;
    height: 60px;
  }
  .sc17-tou .sc17-lie {
    line-height: 1.2;
  }
  .sc17-check {
    width: 30px;
    height: 30px;
  }
  .sc17-lie:nth-of-type(2) img {
    width: 120px;
  }
  .sc17-ts-con {
    font-size: 20px;
    padding: 0 30px;
  }
  .sc17.swiper {
    padding-bottom: 50px;
  }
  .sc17-ts-img {
    width: 36px;
    height: 36px;
  }
}
@media screen and (max-width: 1200px) {
  .sc17-out {
    padding-top: 120px;
    padding-bottom: 90px;
  }
  .sc17-header {
    margin-bottom: 80px;
  }
  .sc17-header span {
    font-size: 32px;
  }
  .sc17-item-name img {
    width: 128px;
  }
  .sc17-item-name p {
    font-size: 32px;
  }
  .sc17-hang {
    padding: 22px 0;
  }
  .sc17-lie {
    font-size: 18px;
  }
  .sc17-check {
    width: 35px;
    height: 35px;
  }
  .sc17-lie:nth-of-type(2) img {
    width: 120px;
  }
  .sc17-ts-con {
    font-size: 24px;
  }
}
@media screen and (max-width: 768px) {
  .sc17-out {
    padding-top: 80px;
    padding-bottom: 0;
  }
  .sc17-header {
    margin-bottom: 40px;
  }
  .sc17-header span {
    font-size: 28px;
  }
  .sc17-item-name img {
    width: 110px;
  }
  .sc17.swiper {
    padding-bottom: 0;
  }
  .sc17-out .swiper-pagination-bullets.swiper-pagination-horizontal {
    top: calc(70rem / 750);
  }
  .sc17-out
    .swiper-pagination-horizontal.swiper-pagination-bullets
    .swiper-pagination-bullet {
    font-size: calc(16 / 750);
    margin-right: calc(28rem / 750);
  }
  .sc17-lie:nth-of-type(2) img {
    width: 200px;
  }
  .sc17-item-con {
    overflow: unset;
    margin: unset;
    width: unset;
    height: unset;
  }
  .sc17-hang div:nth-of-type(1),
  .sc17-hang.sc17-tou {
    display: none;
  }
  .sc17-hang {
    flex-direction: column;
    padding: unset;
  }
  .sc17-lie:nth-of-type(2) {
    justify-content: center;
    padding: unset;
  }
  .sc17-hang div:nth-of-type(3),
  .sc17-hang div:nth-of-type(5),
  .sc17-hang div:nth-of-type(7) {
    background-color: #f6f6f6;
  }
  .sc17-hang div:nth-of-type(3)::before {
    content: "Product Name";
    width: 50%;
  }
  .sc17-hang div:nth-of-type(4)::before {
    content: "Frequency";
    width: 50%;
  }
  .sc17-hang div:nth-of-type(5)::before {
    content: "Phase Noise\A 1 GHz,10 kHz Offset";
    white-space: pre;
    width: 50%;
  }
  .sc17-hang div:nth-of-type(6)::before {
    content: "DANL\A 1 GHz,Amp On";
    white-space: pre;
    width: 50%;
  }
  .sc17-hang div:nth-of-type(7)::before {
    content: "Maximum\A bandwidth";
    white-space: pre;
    width: 50%;
  }
  .sc17-hang div:nth-of-type(8)::before {
    content: "Sweep speed";
    width: 50%;
  }
  .sc17-lie {
    width: 100% !important;
    justify-content: space-between;
    padding: calc(12rem / 750) calc(40rem / 750) calc(12rem / 750) 0;
    height: unset;
    box-sizing: border-box;
  }
  .sc17-lie a {
    color: var(--kv-color);
  }
  .sc17-ts {
    display: none;
  }
}
@media screen and (max-width: 480px) {
  .sc17-out {
    padding-top: 60px;
  }
  .sc17-header {
    margin-bottom: 25px;
  }
  .sc17-header span {
    font-size: 22px;
    margin-right: 20px;
  }
  .sc17-item-name {
    margin-bottom: 0;
  }
  .sc17-item-name img {
    width: 75px;
  }
  .sc17-item-name p {
    font-size: 22px;
  }
  .sc17-lie {
    padding: 15px 10px;
    font-size: 15px;
  }
  .sc17-lie:nth-of-type(2) img {
    width: 160px;
  }
}
.sc17-tc-dbg {
  width: 100%;
  height: 100%;
  background: #000;
  opacity: 0.5;
  position: fixed;
  top: 0;
  left: 0;
  display: none;
  z-index: 999;
}
.sc17-tc {
  width: 1786px;
  height: 920px;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  margin: auto;
  display: none;
  z-index: 999;
}
.sc17-xbg {
  width: 100%;
  opacity: 1;
}
.sc17-tc-con {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: flex-start;
  padding: 6.5% 4.5% 8.6% 5%;
}
.sc17-tc-left {
  background: transparent;
  box-sizing: border-box;
  padding-left: 4.5%;
  width: 30%;
  position: relative;
}
.sc17-tc-left .tc-part1 {
  font-size: 58px;
  line-height: 42px;
  color: var(--accent);
  top: 19%;
  position: absolute;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc17-tc-left .tc-part2 {
  line-height: 30px;
  color: #3d3d3d;
  top: 280px;
  position: absolute;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc17-tc-left .tc-part1-img {
  display: flex;
  justify-content: center;
}
.sc17-tc-left .tc-part1-img img {
  width: 219px;
}
.sc17-tc-left .tc-part2 div {
  margin-top: 30px;
  font-size: 24px;
  line-height: 30px;
}
.sc17-tc-right {
  width: 70%;
  text-align: center;
  display: flex;
  justify-content: space-between;
}
.sc17-tc-right .sc17-tc-item {
  background: #f6f6f6;
  padding: 10px 20px 0px;
}
.sc17-tc-right .tc-part1 {
  margin-top: 10px;
  margin-bottom: 40px;
}
.sc17-tc-right .tc-part1-img {
  display: flex;
  justify-content: center;
}
.sc17-tc-right .tc-part1-img img {
  width: 65%;
  max-width: 219px;
}
.sc17-tc-right .tc-part1 div {
  color: #3d3d3d;
  font-size: 36px;
  line-height: 42px;
  font-family: "ESKlarheitGrotesk-Bold";
}
.sc17-tc-right .tc-part2 {
  margin-top: 20px;
  font-family: "ESKlarheitGrotesk-Regular";
}
.sc17-tc-right .tc-part2 div {
  margin-top: 30px;
  font-size: 24px;
  line-height: 30px;
}
.sc17-close {
  width: 65px;
  height: 65px;
  position: absolute;
  top: 0;
  right: 0;
  cursor: pointer;
}
.sc17-tc-right .tc-part2 a {
  background: var(--accent);
  color: #fff;
  width: 100%;
  line-height: 64px;
  font-size: 24px;
  margin-top: 50px;
  display: block;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc17-tc-loading {
  position: absolute;
  width: 75%;
  height: 100%;
  top: 0;
  right: 0;
}
.sc17-tc-loading-wz {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sc17-tc-loading-wz span {
  font-size: 25px;
  color: var(--accent);
  font-weight: bold;
}
.sc17-tc {
  width: 1440px;
  height: 742px;
}
.sc17-tc-left .tc-part1 {
  font-size: 46px;
}
.sc17-tc-left .tc-part2 {
  top: 225px;
}
.sc17-tc-left .tc-part2 div,
.sc17-tc-right .tc-part2 div {
  font-size: 20px;
  margin-top: 20px;
}
.sc17-tc-right .tc-part1 {
  margin-top: 0;
  margin-bottom: 30px;
}
.sc17-tc-right .tc-part1 div {
  font-size: 26px;
}
.sc17-tc-right .tc-part2 a {
  line-height: 40px;
  font-size: 16px;
  margin-top: 40px;
}
.sc17-tc {
  width: 1300px;
  height: 670px;
}
.sc17-tc-left .tc-part1 {
  font-size: 36px;
  line-height: 35px;
}
.sc17-tc-left .tc-part2 {
  top: 212px;
}
.sc17-tc-left .tc-part2 div,
.sc17-tc-right .tc-part2 div {
  font-size: 16px;
  margin-top: 15px;
}
.sc17-tc {
  width: 1100px;
  height: 567px;
}
.sc17-tc-left .tc-part1 {
  line-height: 26px;
}
.sc17-tc-left .tc-part2 {
  top: 170px;
}
.sc17-tc-right .tc-part1 {
  margin-bottom: 0;
}
.sc17-tc-right .tc-part1 div {
  font-size: 20px;
}
.sc17-tc-right .tc-part2 {
  margin-top: 0;
}
.sc17-tc-left .tc-part2 div,
.sc17-tc-right .tc-part2 div {
  margin-top: 10px;
}
.sc17-tc-right .tc-part2 a {
  margin-top: 20px;
}
.product_home_sc4 {
  padding-top: 140px;
  padding-bottom: 12.5rem; /*200px*/
}
.product_home_sc4 .sc4-out {
  transform: translateY(0);
}
.product_home_sc4
  .sc4-out
  .swiper-pagination-bullets.swiper-pagination-horizontal {
  text-align: right;
}
.product_home_sc4 {
  padding-top: 120px;
  padding-bottom: 150px;
}
.product_home_sc4 {
  padding-top: 100px;
  padding-bottom: 100px;
}
.product_home_sc4 {
  padding-top: 0;
  padding-bottom: 60px;
}
.sc19-search {
  height: 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 160px;
}
.sc19-search-num {
  font-size: 38px;
  line-height: 42px;
  color: var(--accent);
  width: 22%;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-search-form {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 75%;
}
.sc19-search-form input {
}
.sc19-search-title-box {
  box-sizing: border-box;
  outline: none;
  padding: 0 20px;
  list-style: none;
  height: 50px;
  width: 414px;
  position: relative;
  cursor: pointer;
  width: 100%;
  background: #e3e3e3;
}
.sc19-search-title-box:hover .sc17-category-list {
  display: block;
}
.sc19-search-title-box-result {
  color: #c2c2c2;
  font-size: 26px;
  line-height: 50px;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-search-form:hover .sc19-category-list {
  display: block;
}
.sc19-category-list {
  position: absolute;
  top: 50px;
  left: 0;
  background: #f6f6f6;
  font-size: 26px;
  line-height: 32px;
  color: #000528;
  display: none;
  box-sizing: border-box;
  padding: 10px 0px 10px 20px;
  height: 220px;
}
.sc19-icon {
  width: 8px;
  height: 16px;
  display: inline;
}
.sc19-category-item:hover .sc19-subcategory-list {
  display: block;
}
.sc19-category-item {
  line-height: 50px;
  width: 300px;
  background: #f6f6f6;
}
.sc19-subcategory-list {
  position: absolute;
  top: 0;
  left: 100%;
  background: #f6f6f6;
  width: 320px;
  height: 220px;
  display: none;
  box-sizing: border-box;
  padding: 10px 0px 10px 20px;
}
.sc19-subcategory-item {
}
.sc19-subcategory-item:hover .sc19-post-list {
  display: block;
}
.sc19-post-list {
  position: absolute;
  top: 0;
  left: 100%;
  background: #f6f6f6;
  width: 250px;
  display: none;
  height: 220px;
  box-sizing: border-box;
  padding: 10px 0px 10px 20px;
}
.sc19-search-form-submit {
  border: none;
  outline: none;
  height: 50px;
  width: 50px;
  cursor: pointer;
  display: inline-block;
}
.sc19-item-name {
  font-size: 45px;
  color: var(--accent);
  margin-top: 80px;
  border-bottom: 1px solid var(--accent);
  margin-right: 140px;
  padding-bottom: 15px;
}
.sc19 {
  display: flex;
  justify-content: space-between;
}
.sc19-left {
  width: 22%;
}
.sc19-left-img {
  position: relative;
}
.sc19-left-img2 {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: all 0.3s;
}
.sc19-left-item {
  position: relative;
  margin-bottom: 36px;
  cursor: pointer;
  width: 280px;
  height: 280px;
}
.sc19-back {
  height: 53px;
  margin-top: -60px;
  margin-bottom: 120px;
  font-size: 32px;
  color: var(--accent);
  display: none;
  align-items: center;
  visibility: hidden;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-back-item {
  display: flex;
  flex-wrap: nowrap;
}
.sc19-back-item p:first-child {
  margin-right: 0;
  margin-top: -4px;
}
.sc19-back-item p {
  line-height: 1.2;
  margin-bottom: 0;
}
.sc19-left-con {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-between;
  flex-direction: column;
  top: 0;
  left: 0;
  color: #fff;
  box-sizing: border-box;
  padding: 13.5px 17px;
}
.sc19-left-con p {
  font-size: 28px;
  text-align: right;
  margin-top: 10px;
  margin-right: 12px;
  line-height: 1.1;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-left-con span {
  font-size: 46px;
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-right {
  width: 75%;
}
/* .sc19-item-con {height:200vh; overflow-y:scroll; } 右侧内容滚动条*/
.sc19-item-con::-webkit-scrollbar {
  width: 16px;
  background: white;
  position: absolute;
  left: 0;
}
.sc19-item-con::-webkit-scrollbar-thumb {
  background-color: var(--accent);
}
.sc19-item-con-scroll {
  box-sizing: border-box;
}
.sc19-item-con .sc19-item-list:first-child {
  padding-top: 0;
}
.sc19-item-list {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  box-sizing: border-box;
  border-bottom: 1px solid #b5b5b5;
  padding-bottom: 50px;
  padding-top: 50px;
  width: 100%;
}
.sc19-item-list-img {
  width: 92px;
  flex-shrink: 0;
  margin-right: 60px;
}
.sc19-item-list-right h5 {
  font-size: 38px;
  color: var(--white);
  font-family: "ESKlarheitGrotesk-Medium";
}
.sc19-item-list-right p {
  font-size: 20px;
  color: var(--white);
  margin: 15px 0 20px;
  display: none;
}
.sc19-item-list-right span {
  font-size: 22px;
  color: #7c7d82;
  font-family: "ESKlarheitGrotesk-Medium";
}
@media screen and (max-width: 1440px) {
  .sc19-search {
    margin-bottom: 110px;
  }
  .sc19-search-title-box {
    height: 40px;
  }
  .sc19-search-form-submit {
    width: 40px;
    height: 40px;
  }
  .sc19-search-num {
    font-size: 30px;
  }
  .sc19-search-title-box-result {
    font-size: 20px;
    line-height: 40px;
  }
  .sc19-category-list {
    top: 40px;
    font-size: 20px;
  }
  .sc19-category-item {
    line-height: 40px;
    width: 230px;
  }
  .sc19-subcategory-list {
    width: 260px;
    height: 220px;
    padding: 10px 0px 10px 20px;
  }
  .sc19-left-item {
    width: 220px;
    height: 220px;
    margin-bottom: 25px;
  }
  .sc19-left-con p {
    font-size: 22px;
  }
  .sc19-left-con span {
    font-size: 36px;
  }
  .sc19-search-form,
  .sc19-right {
    width: 76%;
  }
  .sc19-item-list-right h5 {
    font-size: 30px;
  }
  .sc19-item-list-right span {
    font-size: 16px;
  }
}
@media screen and (max-width: 1200px) {
  .sc19-item-list {
    padding-bottom: 33px;
    padding-top: 33px;
  }
  .sc19-item-list-img {
    width: 72px;
  }
  .sc19-left-item {
    width: 190px;
    height: 190px;
    margin-bottom: 15px;
  }
  .sc19-left-con p {
    font-size: 18px;
  }
  .sc19-left-con span {
    font-size: 32px;
  }
}
@media screen and (max-width: 992px) {
  .sc19-item-list {
    padding-bottom: 25px;
    padding-top: 25px;
  }
  .sc19-item-list-img {
    width: 62px;
    margin-right: 40px;
  }
  .sc19-item-list-right h5 {
    font-size: 24px;
  }
}
@media screen and (max-width: 768px) {
  .sc19-left-item {
    width: 160px;
    height: 160px;
    margin-bottom: 15px;
  }
  .sc19-left-con p {
    font-size: 16px;
    margin-top: 8px;
    margin-right: 2px;
  }
  .sc19-left-con span {
    font-size: 24px;
  }
  .sc19-item-list-img {
    width: 50px;
    margin-right: 30px;
  }
  .sc19-item-list-right h5 {
    font-size: 20px;
  }
}
@media screen and (max-width: 576px) {
  .sc19-search {
    margin-bottom: 80px;
  }
  .sc19-left-item {
    width: 140px;
    height: 140px;
    margin-bottom: 15px;
  }
  .sc19-left-con p {
    margin-top: 8px;
    margin-right: 0px;
  }
  .sc19-left-con span {
    font-size: 24px;
  }
}
@media screen and (max-width: 768px) {
  .sc19-search {
    flex-wrap: wrap;
    margin-bottom: 60px;
  }
  .sc19-search-title-box-result {
    font-size: 16px;
    line-height: 40px;
  }
  .sc19-search-num {
    width: 100%;
    margin-bottom: 15px;
    display: none;
  }
  .sc19-search-form {
    width: 100%;
  }
  .sc19-search-form:hover .sc19-category-list {
    z-index: 999;
    font-size: 16px;
  }
  .sc19-category-item {
    width: 90%;
    min-width: 85vw;
  }
  .sc19-subcategory-list {
    left: 25%;
  }
  .sc19-search-form-submit img {
    height: 40px;
    width: 40px;
  }
  .sc19 {
    flex-wrap: wrap;
  }
  .sc19-left {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    gap: 2.5%;
    margin-bottom: 50px;
    position: relative;
  }
  .sc19-left::after {
    content: "";
    display: block;
    width: 60px;
    height: 60px;
    background-color: var(--accent);
    position: absolute;
    right: 0;
    bottom: 15px;
  }
  .sc19-left-item {
    width: 31.5%;
    height: auto;
  }
  .sc19-left-con p {
    font-size: 14px;
  }
  .sc19-left-con span {
    font-size: 20px;
  }
  .sc19-right {
    width: 100%;
  }
  .sc19-item-list {
    padding-bottom: 25px;
    padding-top: 25px;
    align-items: flex-start;
    border-bottom: 1px solid #dedede;
  }
  .sc19-item-list-img {
    width: 40px;
    margin-right: 15px;
  }
  .sc19-item-list-right h5 {
    font-size: 16px;
    margin-bottom: 5px;
  }
  .sc19-item-list-right span {
    font-size: 12px;
  }
}

/* ============================================
   BULLETPROOF APPLICATIONS CAROUSEL FIXES
   ============================================ */
.sc4-out {
  padding: 100px 0 !important;
}
.sc4 {
  display: flex !important;
  gap: 30px !important;
  margin-bottom: 30px !important;
  min-height: 450px !important;
}
.sc4-left {
  flex: 1.1 !important;
  background: rgba(18, 18, 18, 0.6) !important;
  border: 1px solid rgba(255, 255, 255, 0.05) !important;
  padding: 60px 50px !important;
  display: flex !important;
  align-items: center !important;
  border-radius: 16px !important;
  backdrop-filter: blur(12px) !important;
  -webkit-backdrop-filter: blur(12px) !important;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3) !important;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
}
html.light-theme .sc4-left {
  background: rgba(255, 255, 255, 0.7) !important;
  border-color: rgba(0, 0, 0, 0.08) !important;
}
.sc4-right {
  flex: 1 !important;
  border-radius: 16px !important;
  overflow: hidden !important;
  border: 1px solid rgba(255, 255, 255, 0.05) !important;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.3) !important;
  position: relative !important;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1) !important;
  display: flex !important;
}
.sc4-right .swiper.sc6 {
  position: relative !important;
  height: 100% !important;
  width: 100% !important;
}
.sc4-right .swiper.sc6 img {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover !important;
  display: block !important;
}
.sc4-left .swiper.sc5 {
  width: 100% !important;
}

@media (max-width: 1024px) {
  .sc4 {
    flex-direction: column !important;
  }
  .sc4-left,
  .sc4-right {
    border-radius: 12px !important;
  }
  .sc4-right {
    min-height: 300px !important;
  }
}

/* --- Light Theme Category Pages Overrides --- */
html.light-theme .product_home_main {
  background: var(--navy) !important;
}
html.light-theme .product_home_item_info {
  color: var(--white) !important;
}
html.light-theme .product_home_banner_text_1,
html.light-theme .product_home_banner_text_2 {
  color: var(--white) !important;
}
html.light-theme .product_home_banner_text_1 p::after {
  background: var(--white) !important;
}

/* --- Learn More / CTA Buttons --- */
.product-cta-btn {
  display: inline-block;
  margin-top: 32px;
  padding: 14px 36px;
  background: #ff6600;
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 4px;
  font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.product-cta-btn:hover {
  background: #e05500;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 102, 0, 0.35);
}

@media (max-width: 768px) {
  .product-cta-btn {
    display: block;
    text-align: center;
  }
}

/* Tablet horizontal scroll support for Specifications Comparison Grid (.sc17) */
@media (min-width: 769px) and (max-width: 1024px) {
  .sc17-item-con {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch;
  }
  .sc17-biao {
    min-width: 950px !important;
  }
}