.banner {
  width: 100%;
  position: relative;
}
.banner .wrap {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.banner .wrap .h2 {
  font-size: 30px;
  color: #000;
}
.banner .wrap .h1 {
  width: 60%;
  position: relative;
  margin-bottom: 70px;
}
.banner .wrap .h1 .icon {
  width: 30px;
  height: 30px;
  position: absolute;
  left: -40px;
  top: 40px;
}
.banner .wrap .h1 .icon img {
  width: 100%;
  height: 100%;
  display: block;
}
.banner .wrap .h1 .text {
  font-size: 70px;
  color: #000;
  font-weight: 600;
}
.banner .wrap .h3 {
  font-size: 20px;
  color: #000;
  margin-bottom: 120px;
}
.banner .image {
  width: 100%;
}
.banner .image img {
  display: block;
  width: 100%;
}
.nav2 {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto 120px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 100px;
  background: #000000;
  padding: 20px 0;
}
.nav2 a {
  padding: 20px 50px;
  border-radius: 100px;
  background: #000000;
  transition: 0.5s;
  color: #fff;
  font-size: 24px;
  font-weight: 600;
}
.nav2 a:hover {
  color: #000000;
  background: #11dab5;
}
.nav2 .cur {
  color: #000000;
  background: #11dab5;
}
.list {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}
.list .item {
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  margin-right: 30px;
  margin-bottom: 30px;
  cursor: pointer;
  width: calc((100% - 30px)/2);
}
.list .item > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.list .item:hover > img {
  transform: scale(1.08);
}
.list .item:nth-child(2n) {
  margin-right: 0;
}
.list .item:nth-child(1) {
  width: calc(60% - 30px);
}
.list .item:nth-child(2) {
  width: 40%;
}
.list .item:nth-child(3) {
  width: calc(60% - 30px);
}
.list .item:nth-child(4) {
  width: 40%;
}
.list .item:hover .mask {
  opacity: 1;
  transform: translateY(0);
}
.list .item .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  background: #00000070;
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.45s ease, transform 0.45s ease;
}
.list .item .mask .icon {
  width: 130px;
  height: 130px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.list .item .mask .icon img {
  width: 100%;
  height: 100%;
  display: block;
}
.list .item .mask .name {
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 50px;
  box-sizing: border-box;
}
.list .item .mask .name span {
  font-size: 24px;
  color: #fff;
}
.list .item .mask .name .arrow {
  width: 68px;
  height: 68px;
  background: #ffffff38;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 8px;
}
.list .item .mask .name .arrow img {
  width: auto;
  height: 50%;
  display: block;
}
.pages {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 0;
}
.pages .btn {
  width: 56px;
  height: 56px;
  border-radius: 8px;
  background: #11dab5;
  display: flex;
  justify-content: center;
  align-items: center;
}
.pages .btn img {
  width: auto;
  height: 50%;
  display: block;
}
.pages .btn:last-child {
  transform: rotate(180deg);
}
.pages .nums {
  max-width: calc(100% - 200px);
  display: flex;
  align-items: center;
  padding: 0 30px;
}
.pages .nums span {
  font-size: 35px;
  color: #818181;
  padding: 0 10px;
  cursor: pointer;
}
.pages .nums span:hover {
  color: #000;
}
.pages .nums .cur {
  color: #000;
  font-weight: 600;
  border-bottom: 2px solid #000;
}
.factory-preview-modal {
  position: fixed;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.82);
  padding: 40px;
  box-sizing: border-box;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}
.factory-preview-modal.show {
  opacity: 1;
  visibility: visible;
}
.factory-preview-modal .factory-preview-inner {
  position: relative;
  max-width: 1200px;
  max-height: 100%;
  transform: translateY(30px) scale(0.96);
  transition: transform 0.35s ease;
}
.factory-preview-modal.show .factory-preview-inner {
  transform: translateY(0) scale(1);
}
.factory-preview-modal .factory-preview-image {
  display: block;
  max-width: 100%;
  max-height: calc(20vh);
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
}
.factory-preview-modal .factory-preview-close {
  width: 44px;
  height: 44px;
  border: none;
  border-radius: 50%;
  background: #ffffff;
  color: #000000;
  font-size: 30px;
  line-height: 1;
  position: absolute;
  right: -18px;
  top: -18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
@media only screen and (max-width: 1700px) {
  .banner .wrap {
    max-width: 80%;
  }
  .list {
    max-width: 94%;
  }
}
@media only screen and (max-width: 1470px) {
  .banner .wrap {
    max-width: 90%;
  }
  .banner .wrap .h1 {
    margin-bottom: 100px;
  }
  .banner .wrap .h1 .text {
    font-size: 50px;
  }
  .banner .wrap .h1 .icon {
    width: 24px;
    height: 24px;
    left: -34px;
    top: 34px;
  }
  .banner .wrap .h2 {
    font-size: 26px;
  }
  .banner .wrap .h3 {
    font-size: 18px;
    line-height: 24px;
    margin-bottom: 80px;
  }
  .nav2 {
    max-width: 90%;
    margin-bottom: 80px;
  }
  .nav2 a {
    font-size: 22px;
    padding: 16px 40px;
  }
  .list {
    max-width: 94%;
  }
  .list .item {
    margin-right: 24px;
    margin-bottom: 24px;
  }
  .list .item .mask .icon {
    width: 100px;
    height: 100px;
  }
  .list .item .mask .name {
    padding: 0 36px;
  }
  .list .item .mask .name span {
    font-size: 20px;
  }
  .list .item .mask .name .arrow {
    width: 56px;
    height: 56px;
  }
  .pages {
    padding: 60px 0;
  }
  .pages .btn {
    width: 50px;
    height: 50px;
  }
  .pages .nums span {
    font-size: 30px;
  }
}
@media only screen and (max-width: 1280px) {
  .banner .wrap {
    max-width: 90%;
  }
  .banner .wrap .h1 {
    margin-bottom: 60px;
  }
  .banner .wrap .h1 .text {
    font-size: 44px;
  }
  .banner .wrap .h1 .icon {
    width: 22px;
    height: 22px;
    left: -30px;
    top: 30px;
  }
  .banner .wrap .h2 {
    font-size: 24px;
  }
  .banner .wrap .h3 {
    font-size: 16px;
    margin-bottom: 50px;
  }
  .nav2 {
    max-width: 90%;
    margin-bottom: 60px;
    padding: 16px 0;
  }
  .nav2 a {
    font-size: 20px;
    padding: 15px 30px;
  }
  .list {
    max-width: 94%;
  }
  .list .item {
    margin-right: 20px;
    margin-bottom: 20px;
  }
  .list .item .mask .icon {
    width: 90px;
    height: 90px;
  }
  .list .item .mask .name {
    padding: 0 30px;
  }
  .list .item .mask .name span {
    font-size: 18px;
  }
  .list .item .mask .name .arrow {
    width: 50px;
    height: 50px;
  }
  .pages {
    padding: 50px 0;
  }
  .pages .btn {
    width: 48px;
    height: 48px;
  }
  .pages .nums span {
    font-size: 28px;
  }
}
@media only screen and (max-width: 1024px) {
  .banner .wrap .h2 {
    font-size: 24px;
  }
  .banner .wrap .h1 {
    margin-bottom: 30px;
  }
  .banner .wrap .h1 .text {
    font-size: 40px;
  }
  .banner .wrap .h3 {
    font-size: 16px;
    margin-bottom: 40px;
  }
  .nav2 {
    max-width: 94%;
    margin-bottom: 60px;
  }
  .nav2 a {
    font-size: 16px;
    padding: 12px 20px;
  }
  .list .item .mask .icon {
    width: 80px;
    height: 80px;
  }
  .list .item .mask .name {
    padding: 0 20px;
  }
  .list .item .mask .name span {
    font-size: 18px;
  }
  .list .item .mask .name .arrow {
    width: 44px;
    height: 44px;
  }
  .pages {
    padding: 40px 0;
  }
  .pages .btn {
    width: 44px;
    height: 44px;
  }
  .pages .nums span {
    font-size: 28px;
  }
}
@media only screen and (max-width: 800px) {
  .banner {
    padding-top: 66px;
  }
  .banner .wrap .h1 {
    width: 80%;
    margin-bottom: 0;
  }
  .banner .wrap .h1 .text {
    font-size: 32px;
  }
  .banner .wrap .h1 .icon {
    width: 20px;
    height: 20px;
    left: -26px;
    top: 26px;
  }
  .banner .wrap .h2 {
    font-size: 20px;
  }
  .banner .wrap .h3 {
    font-size: 14px;
    margin-bottom: 20px;
  }
  .nav2 {
    flex-wrap: wrap;
    padding: 10px;
    border-radius: 20px;
    margin-bottom: 40px;
  }
  .nav2 a {
    font-size: 14px;
    padding: 10px 16px;
  }
  .list .item {
    width: 100% !important;
    margin-right: 0 !important;
    margin-bottom: 20px;
  }
  .list .item:nth-child(2n) {
    margin-right: 0;
  }
  .pages {
    padding: 30px 0;
  }
  .pages .btn {
    width: 36px;
    height: 36px;
  }
  .pages .nums {
    padding: 0 15px;
  }
  .pages .nums span {
    font-size: 22px;
    padding: 0 6px;
  }
  .factory-preview-modal {
    padding: 20px;
  }
  .factory-preview-modal .factory-preview-close {
    right: 0;
    top: -50px;
  }
}
@media only screen and (max-width: 640px) {
  .banner .wrap .h1 {
    width: 100%;
  }
  .banner .wrap .h1 .text {
    font-size: 24px;
  }
  .banner .wrap .h1 .icon {
    display: none;
  }
  .banner .wrap .h2 {
    font-size: 16px;
  }
  .banner .wrap .h3 {
    font-size: 12px;
    display: none;
  }
  .nav2 a {
    font-size: 12px;
    padding: 8px 12px;
  }
  .list .item {
    margin-bottom: 15px;
  }
  .list .item .mask .icon {
    width: 50px;
    height: 50px;
  }
  .list .item .mask .name {
    padding: 0 16px;
    bottom: 16px;
  }
  .list .item .mask .name span {
    font-size: 14px;
  }
  .list .item .mask .name .arrow {
    width: 36px;
    height: 36px;
  }
  .pages {
    padding: 20px 0;
  }
  .pages .btn {
    width: 30px;
    height: 30px;
  }
  .pages .nums {
    padding: 0 10px;
  }
  .pages .nums span {
    font-size: 18px;
    padding: 0 4px;
  }
}