.section1 {
  margin-bottom: 0;
}
.section1 video {
  z-index: -1 !important;
  margin-bottom: 0;
}
.section1 .btns button {
  width: auto;
  height: auto;
  border-radius: 30px;
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 14px;
  color: #FFFFFF;
  position: relative;
  left: auto;
  transform: translateX(0);
  bottom: auto;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}
#full-video-btn img {
  width: 15px;
  height: auto;
  margin-right: 11px;
}
#full-video-btn {
  color: #1C2124;
}
.section1 .btns button:first-child {
  background: #FF5C17;
  width: 94px;
  height: 32px;
}
.section1 .btns button:last-child {
  background: #929292;
  margin-left: 24px;
  width: 181px;
  height: 32px;
}
.section1 .btns {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: 48px;
  z-index: 2;
}
.section2 {
  background: #1D1D1F;
  margin: 0;
  padding: 50px 0 90px 0;
  height: auto;
  box-sizing: border-box;
}
.section2 .s-title {
  color: #FF5C17;
  font-size: 12px;
  font-family: 'Roboto';
  text-align: center;
}
.section2 .title,.section4 .title {
  font-size: 30px;
  letter-spacing: 0;
  padding: 10px 0;
}
.section2 .tip {
  font-size: 12px;
  color: #fff;
  font-family: 'Roboto';
  text-align: center;
  padding-bottom: 40px;
}
.section2 .mySwiper {
  width: calc(100% - 150px);
  overflow: hidden;
  margin: 0 auto;
  border-radius: 30px;
}
.section2 .swiper-box {
  position: relative;
}
.section2 .swiper-slide {
  /* width: 568px !important; */
  /* height: 425px; */
  border-radius: 30px;
  overflow: hidden;
}
.section2 .swiper-slide img {
  width: 100%;
  /* height: 100%; */
  /* object-fit: cover; */
}
.section2 .swiper-button-next,.section2 .swiper-button-prev {
  width: 32px;
  height: 32px;
  background: url(../images/product/icon_left.png) no-repeat;
  background-size: 100% 100%;
  left: 18px;
}
.section2 .swiper-button-next {
  left: auto;
  right: 18px;
  background: url(../images/product/icon_right.png) no-repeat;
  background-size: 100% 100%;
}
.section2 .swiper-button-next::after,.section2 .swiper-button-prev::after {
  display: none;
}
.section3 {
  margin: 0;
  height: 960px;
  box-sizing: border-box;
}
.section4 {
  background: #1D1D1F;
  height: 845px;
  padding: 62px 0;
  box-sizing: border-box;
}
.section4 .tip {
  font-size: 12px;
  padding-bottom: 32px;
}
.section4 .section-content {
  width: 1080px;
  height: 580px;
  background: #000000;
  border-radius: 30px;
  overflow: hidden;
  margin: 0 auto;
  position: relative;
  max-width: calc(100% - 40px);
}
.section-content .btns {
  position: absolute;
  top: 58px;
  left: 60px;
  z-index: 2;
}
.section-content .btns .btn {
  width: 149px;
  height: 29px;
  background: #3C3C3C;
  border-radius: 15px;
  font-family: 'Roboto';
  font-weight: normal;
  font-size: 15px;
  color: #FFFFFF;
  margin-bottom: 17px;
  cursor: pointer;
}
.section-content .btns .btn.on {
  background: #FF5C17;
}
.section-content .product-img {
  display: none;
  width: 100%;
  height: 100%;
  object-fit: cover; /* 确保图片覆盖整个区域 */
}
.section-content .product-img.on {
  display: block;
}
.section5 {
  padding: 0;
}
.section5 img {
  width: 100%;
  height: auto;
}
/* 购买 */
.buy-product-box {
  display: none;
  position: fixed;
  z-index: 99;
  left: 0;
  top: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.9);
}
.buy-content {
  width: 950px;
  height: 600px;
  background: #FFFFFF;
  border-radius: 30px;
  overflow: hidden;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 3% 6%;
  box-sizing: border-box;
}
.buy-content .buy-img {
  width: auto;
  height: 150px;
  display: block;
  margin: 0 auto;
}
.buy-content .product-name {
  font-family: 'Roboto';
  font-weight: bold;
  font-size: 22px;
  color: #0C0C0C;
  text-align: center;
  padding: 5px 0;
}
.buy-content .product-slogan {
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 14px;
  color: #838383;
  text-align: center;
}
.buy-content .step-box {
  width: 100%;
  height: 36px;
  background: #D3D3D3;
  border-radius: 18px;
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 12px;
  color: #FFFFFF;
  margin: 50px 0;
}
.buy-content .step-item {
  width: 33.33%;
  height: 100%;
  border-radius: 18px;
  cursor: pointer;
}
.buy-content .step-item.on {
  background: #FF5C17;
}
.buy-content .step-item span {
  padding-right: 16px;
}
.buy-content .form-box {
  color: #0C0C0C;
}
.buy-content .form-item {
  width: 234px;
  height: 32px;
  background: #EAEAEA;
  border-radius: 18px;
  overflow: hidden;
  margin-left: 46px;
  display: none;
}
.buy-content .form-item.step1 {
  display: block;
}
/* .buy-content .form-item:first-child {
  margin-left: 0;
} */
.buy-content .form-item input,.buy-content .form-item select,.select2-container {
  width: 100%;
  height: 100%;
  background: none;
}
.buy-content .select2-container--default .select2-selection--single {
  padding: 0 16px;
  box-sizing: border-box;
  height: 100% !important;
  width: 100% !important;
  border: none !important;
  position: relative;
  background: none;
}
.buy-content .select2-container--default .select2-selection--single .select2-selection__rendered {
  height: 100% !important;
  display: flex;
  align-items: center;
  padding: 0;
  font-family: 'Roboto';
  font-weight: 300;
  font-size: 12px;
  color: #1D1D1F;
}
.select2-dropdown {
  border: none !important;
  font-size: 12px;
}
.buy-content .select2-container--default .select2-selection--single .select2-selection__arrow b {
  border: none;
  display: none;
}
.select2-container--default .select2-selection--single .select2-selection__arrow {
  background: url(../images/icon_arrow.png) no-repeat;
  width: 12px !important;
  height: 9px !important;
  background-size: 100% auto;
  top: 50% !important;
  transform: translateY(-50%);
  right: 19px !important;
  left: auto !important;
}
.buy-content button {
  width: 127px;
  height: 32px;
  background: #0C0C0C;
  border-radius: 16px;
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 12px;
  color: #FFFFFF;
  display: block;
  margin: 0 auto;
  margin-top: 40px;
  cursor: pointer;
}
.buy-content .form-item.step3 {
  width: 100%;
  margin: 0;
  font-family: 'Roboto';
  font-weight: 400;
  font-size: 10px;
  color: #FFFFFF;
  background: none;
  overflow: visible;
}
.buy-content .form-item.step3 img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  margin-right: 14px;
  opacity: 1 !important;
}
.buy-content .form-item.step3 .mode {
  margin-right: 14px;
  width: 110px;
  height: 35px;
  background: #0C0C0C;
  border-radius: 18px;
  cursor: pointer;
}
.buy-content .form-item.step3 .mode:last-child {
  margin-right: 0;
}
.hight-auto {
  height: auto;
  margin: 0;
  padding: 0;
  background: none;
}
.hight-auto img {
  width: 100%;
  height: auto;
  display: block;
}

/* 移动端 */
@media (max-width: 800px) {
  .section .title {
    font-size: 32px;
  }
  .section2 .title, .section4 .title {
    font-size: 24px;
  }
  .buy-content {
    width: 90%;
    height: 500px;
  }
  .buy-content .form-item {
    width: 50%;
    margin-left: 10px;
  }
  .section4 {
    height: auto;
  }
  .section4 .section-content {
    width: 100%;
    height: auto;
    overflow: visible;
    margin-top: 50px;
  }
  .section-content .btns {
    display: flex;
    align-items: center;
    justify-content: space-around;
    width: 100%;
    left: 0;
    top: -65px;
  }
  .section-content .btns .btn {
    width: 30%;
    height: 40px;
    text-align: center;
    line-height: 1;
    border-radius: 20px;
  }
  .section-content .swiper-wrapper {
    border-radius: 30px;
    overflow: hidden;
    height: auto;
  }
  .hight-auto img {
    max-width: 120%;
    width: 120%;
    position: relative;
    left: -10%;
  }
  .buy-content .step-box {
    flex-wrap: wrap;
    height: auto;
    margin: 30px 0;
  }
  .buy-content .step-item {
    width: 100%;
    padding: 8px 0;
  }
  .buy-content .form-item.step3 div {
    flex-wrap: wrap;
  }
  .buy-content .form-item.step3 .mode {
    width: 48%;
    margin: 0;
    margin-bottom: 10px;
  }
  .buy-content .form-item.step3 .mode:nth-child(2n) {
    margin-left: 4%;
  }
}