* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    list-style: none;
  }
  
  body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
  
  }
  
  .wrapper {
    width: 1200px;
    margin: 0 auto;
  }
  
  .rect {
    filter: drop-shadow(0 6px 8px rgba(0, 0, 0, .15));
    border-top: 10px solid rgba(0, 122, 186, 1);margin-bottom: 50px;
  }
  
  .rect .card {
    width: 100%;
    background: #fff;
    --cut: 40px;
  
    clip-path: polygon(0 0,
        100% 0,
        100% calc(100% - var(--cut)),
        calc(100% - var(--cut)) 100%,
        0 100%);
  }
  
    body .section-title {
    color: rgba(92, 90, 90, 1);}
  /* section-1 styles */
  .section-1 {
    margin-top: 50px;
  }
  
  .section-1 .section-title {
    color: rgba(92, 90, 90, 1);
  
    font-style: Bold;
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    letter-spacing: 0px;
    text-align: center;
  }
  
  .section-1 .sub-title {
    color: rgba(92, 90, 90, 1);
    margin-top: 32px;
  
    font-size: 30px;
    font-weight: 400;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: center;
  }
  
  .section-1 .img-section {
    width: 100%;
    overflow: hidden;
    margin-top: 22px;
  }
  
  .section-1 .product-img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  
  /* section-2 styles */
  .section-2 {
    margin-top: 110px;
  }
  
  .section-2 .section-title {
    color: rgba(92, 90, 90, 1);
  
    font-style: Bold;
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    letter-spacing: 0px;
    text-align: center;
    margin-bottom: 33px;
  }
  
  .section-2 .content-p {
    color: rgba(92, 90, 90, 1);
  
  
    font-size: 30px;
    font-weight: 400;
    line-height: 50px;
    letter-spacing: 0px;
    text-align: left;
  }
  
  .section-2 .content-p-2 {
    margin: 55px 0 35px;
  }
  
  .section-2 .img-box {
    width: 100%;
    margin-bottom: 24px;
    overflow: hidden;
    border-radius: 8px;
  }
  
  .section-2 .content-img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  /* section-3 styles */
  .section-3 {
    margin-top: 55px;
  }
  
  .section-3 .card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    height: 150px;
  }
  
  .section-3 .tel {
    color: rgba(0, 122, 186, 1);
  
    font-style: Bold;
    font-size: 31px;
    font-weight: 700;
    line-height: 37px;
    letter-spacing: 0px;
    text-align: left;
  }
  
  .section-3 .tel-info {
    color: rgba(0, 122, 186, 1);
  
    font-size: 22px;
    font-weight: 350;
    line-height: 26px;
    letter-spacing: 0px;
    text-align: left;
  }
  
  /* section-4 styles */
  .section-4 {
    margin-top: 106px;
  }
  
  
  
 /* .section-4 .section-title {
    color: rgba(92, 90, 90, 1);
  
    font-style: Bold;
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    letter-spacing: 0px;
    text-align: center;
    margin-bottom: 23px;
  }*/
  
  .section-4 .section-item {
    width: 100%;
    padding: 45px 70px;
    /* display: grid;
    grid-template-columns: repeat(2, 1fr); */
    display: flex;
    background: rgba(246, 247, 247, 1);
    margin-bottom: 29px;
    gap: 35px;
  }
  
  .section-4 .section-item.reverse {
    flex-direction: row-reverse;
  }
  
  .section-4 .left {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }
  
  .section-4 .left .group {
    position: relative;
    color: rgba(0, 122, 194, 1);
    font-style: Bold;
    font-size: 28px;
    font-weight: 700;
    line-height: 34px;
    letter-spacing: 0px;
    text-align: center;
    margin-bottom: 20px;
  }
  
  .section-4 .left .group .bar {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 2px;
    background: rgba(0, 122, 194, 1);
  }
  
  .section-4 .left .group .bar::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 74px;
    height: 4px;
    background: rgba(0, 122, 194, 1);
    border-radius: 5px;
  }
  
  .section-4 .left .group .tit {
    padding: 21px 27px;
  
  }
  
  
  .section-4 .left li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    color: rgba(92, 90, 90, 1);
  
    font-size: 20px;
    font-weight: 400;
    line-height: 30px;
    letter-spacing: 0px;
    text-align: left;
  }
  .section-4 .left li p{font-size:16px!important}
  .section-4 .left li img {
    width: 18px;margin-right: 5px;
  }
  
  .section-4 .right {
    flex: 1;
    overflow: hidden;
  }
  
  .section-4 .right img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
  }
  
  /* section-5 styles */
  .section-5 {
    margin-top: 110px;
  }
  
  .section-5 .section-title {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 32px;
    /*color: #333;*/
  }
  
  .section-5 .tech-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .section-5 .card {
    background: #fff;
    padding: 24px;
    border: 1px solid #e0e0e0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 24px;
    height: 150px;
    ;
    --cut: 20px;
    clip-path: polygon(0 0,
        100% 0,
        100% calc(100% - var(--cut)),
        calc(100% - var(--cut)) 100%,
        0 100%);
  }
  
  .section-5 .tech-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
  }
  
  .section-5 .tech-icon img {
    width: 80px;
    object-fit: contain;
  }
  
  .section-5 .tech-content {
    display: flex;
    flex-direction: column;
    gap: 13px;
    ;
  }
  
  .section-5 .tech-content h3 {
    color: rgba(0, 122, 194, 1);
    font-size: 25px;
    font-weight: 700;
    line-height: 30px;
    letter-spacing: 0px;margin-bottom: 0;
  }
  
  .section-5 .tech-content p {
    color: rgba(92, 90, 90, 1);
  
    font-size: 20px;
    font-weight: 400;
    line-height: 30px;
    letter-spacing: 0px;
    text-align: left;
  }
  
  /* section-6 styles */
  .section-6 {
    margin-top: 105px;
  }
  
  .section-6 .section-title {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin-bottom: 24px;
  }
  
  .section-6 .section-desc {
    color: rgba(92, 90, 90, 1);
  
    font-size: 30px;
    font-weight: 400;
    line-height: 50px;
    letter-spacing: 0px;
    text-align: left;
    margin-top: 55px;
  }
  
  .section-6 .app-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 33px;
  }
  
  .section-6 .app-card {
    display: flex;
    flex-direction: column;
    border-radius: 4px;
    overflow: hidden;
  }
  
  .section-6 .app-img {
    width: 100%;
    /* height: 200px; */
    object-fit: cover;
  }
  
  .section-6 .app-tag {
    background-color: #007ac2;
    color: #fff;
    font-size: 16px;
    font-weight: 500;
    padding: 8px 0;
    text-align: center;
    --cut: 10px;
    clip-path: polygon(0 0,
        100% 0,
        100% calc(100% - var(--cut)),
        calc(100% - var(--cut)) 100%,
        0 100%);
  
  }
  
  /* section-7 styles */
  .section-7 {
    margin-top: 40px;
  }
  
  .section-7 img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  .section-7 .tips {
    margin-top: 40px;
    color: rgba(92, 90, 90, 1);
  
  
    font-size: 20px;
    font-weight: 400;
    line-height: 24px;
    letter-spacing: 0px;
    text-align: center;
  }
  
  .section-8 {
    margin-top: 105px;
    padding: 56px 70px;
    background: rgba(246, 247, 247, 1);
  }
  
  .section-8 .section-title {
    color: rgba(92, 90, 90, 1);
  
    font-size: 30px;
    font-weight: 700;
    line-height: 36px;
    letter-spacing: 0px;
    text-align: center;
    margin-bottom: 50px;
  }
  
  .section-8 .scene-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .section-8 .rect {
    max-width: 500px;
    margin: 0 auto;
  }
  
  .section-8 .scene-card {
    border-radius: 4px;
    overflow: hidden;
    --cut: 30px;
    background-color: #fff;
    ;
    clip-path: polygon(0 0,
        100% 0,
        100% calc(100% - var(--cut)),
        calc(100% - var(--cut)) 100%,
        0 100%);
  
  }
  
  .section-8 .scene-card-header {
    height: 4px;
    background-color: #0066cc;
  }
  
  .section-8 .scene-img {
    width: 100%;
    height: 310px;
    object-fit: cover;
  }
  
  .section-8 .scene-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 16px 40px;
    gap: 16px;
  }
  
  .section-8 .scene-title {
    color: rgba(0, 122, 194, 1);
    font-style: Bold;
    font-size: 25px;
    font-weight: 700;
    line-height: 30px;
    letter-spacing: 0px;
    text-align: center;margin-bottom: 0;
  }
  
  .section-8 .scene-desc {
    color: rgba(92, 90, 90, 1);
    font-size: 20px;
    font-weight: 400;
    line-height: 24px;
    letter-spacing: 0px;
  }
  
  /* about-us styles */
  .about-us {
    margin-top: 110px;
  }
  
  .about-us .section-title {
    color: rgba(92, 90, 90, 1);
  
    font-size: 40px;
    font-weight: 700;
    line-height: 48px;
    letter-spacing: 0px;
    text-align: center;
  }
  
  .about-us .group-desc {
    color: rgba(92, 90, 90, 1);
  font-size: 20px;
    font-weight: 400;
    line-height: 40px;
    letter-spacing: 0px;
    text-align: left;
    margin-top: 55px;
  }
  
  
  
  /* 蓝色横幅区域 */
  .about-us .banner {
    margin-top: 30px;
  }
  
  .about-us .banner img {
    width: 100%;
    height: auto;
    display: block;
  }
  
  /* 咨询热线区域 */
  .about-us .contact-section {
    text-align: center;
    padding: 24px 0;
    border-top: 2px solid #0066cc;
  }
  
  .about-us .card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-bottom: 40px;
  }
  
  .about-us .contact-icon {
    width: 108px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 41px;
  
  }
  
  .about-us .contact-title {
    color: rgba(92, 90, 90, 1);
    font-size: 30px;
    font-weight: 700;
    line-height: 36px;
    margin-top: 5px;
    ;
  }
  
  .about-us .contact-phone {
    color: rgba(92, 90, 90, 1);
    font-size: 38px;
    font-weight: 700;
    line-height: 46px;
    margin-top: 10px;
  }
  
  .about-us .contact-desc {
    color: rgba(92, 90, 90, 1);
  
    font-size: 30px;
    font-weight: 400;
    line-height: 36px;
    margin-top: 20px;
  }
  
  
  /* contact-us styles */
  .contact-us {
    margin-top: 170px;
    background-color: #f9f9f9;
    padding: 70px 120px;
  }
  
  .contact-us .form-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
  }
  
  .contact-us .section-title {
    font-size: 38px;
    font-weight: bold;
    color: rgba(92, 90, 90, 1);
    margin-bottom: 12px;
    text-align: center;
  }
  
  .contact-us .title-line {
    width: 380px;
    height: 2px;
    background-color: rgba(0, 122, 194, 1);
    ;
    margin: 0 auto 24px;
    position: relative;
  }
  
  .contact-us .title-line::after {
    content: "";
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background-color: #0066cc;
  }
  
  .contact-us .contact-desc {
    font-size: 22px;
    color: rgba(92, 90, 90, 1);
    text-align: center;
  }
  
  .contact-us a {
    color: #007BE6;
    text-decoration: none;
  }
  
  .contact-us .contact-form {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  
  .contact-us .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  
  .contact-us .form-group {
    width: 100%;
    font-size: 22px;
  }
  
  .contact-us .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 1px solid #ccc;
    border-radius: 4px;
    outline: none;
  }
  
  .contact-us .form-group input:focus,
  .contact-us .form-group select:focus,
  .contact-us .form-group textarea:focus {
    border-color: #007BE6;
    box-shadow: 0 0 4px rgba(0, 123, 230, 0.2);
  }
  
  .contact-us .full-width {
    grid-column: 1 / -1;
  }
  
  .contact-us .submit-form {
    font-size: 22px;
  }
  
  .contact-us .submit-btn {
    padding: 12px;
    font-size: 16px;
    color: #fff;
    background: #007BE6;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
  }
  
  .contact-us .submit-btn:hover {
    background: #005CAE;
  }
  
    .wrapper h2{font-size:40px!important}
.wrapper p{font-size:20px!important;line-height:40px!important}


  /* 响应式：小屏幕（≤768px）改为1列 */

  @media (max-width: 768px) {
    .section-4 .left .group .tit{padding:21px 12px}
.section-4 .left li{margin-top:0}
.wrapper p{line-height:35px!important}
.wrapper h2{font-size:30px!important}
.section-8{padding:29px 10px;background:#f6f7f7}
.about-us,.section-1,.section-2,.section-3,.section-4,.section-5,.section-6,.section-7,.section-8{margin-top:50px}
.section-9 .card{padding:10px 10px}
.section-9 .parts-list li p{margin-left:15px}
.section-8 .scene-content{padding:16px 10px}
.wrapper{width:100%;box-sizing:border-box}
.section-4 .left li{font-size:16px}
.section-4 .left li img{width:14px}
.list-paddingleft-2{padding:0}
.section-4 .section-item{padding:20px;flex-direction:column-reverse}
.section-4 .section-item.reverse{flex-direction:column-reverse}
.section-4 .group{border-top:7px solid #007aba;filter:drop-shadow(0 6px 8px rgba(0, 0, 0, .15))}
.section-4 .group .tit{background-color:#fff;--cut:20px;clip-path:polygon(0 0,100% 0,100% calc(100% - var(--cut)),calc(100% - var(--cut)) 100%,0 100%);font-size:18px;font-weight:500}
.section-4 .group .bar{display:none}
.section-5 .tech-grid{grid-template-columns:1fr}
.section-8 .scene-grid{grid-template-columns:1fr;margin:0 auto}
.contact-us .form-row{grid-template-columns:1fr}
.section-title{display:flex;flex-direction:column;justify-content:center;text-align:center;margin:45px 0 40px;text-align:center;font-size:24px;font-weight:700}
.section-5 .section-item {
    padding: 10px;
}
.section-6 .card{height:auto}
 .about-us .group-desc{font-size: 15px;    line-height: 32px;}
    .about-us .contact-title{margin-bottom:0;font-size: 20px;}
    .about-us .contact-phone{font-size: 30px;line-height: initial;    margin: 0;}
    .about-us .contact-desc{font-size: 14px;
    margin: 1rem;}
    .about-us .card{padding:0.5rem}






























  }