.banner-title-item {
    position: absolute;
    top: 80%;
    left: 15%;
   
}
/* 产品服务概览 */
    .service-overview {
      text-align: center;
      background: #f9f9f9;
      position: relative;
      padding-top: 60px;
    }

    /* Timeline line */
    .service-overview::before {
      content: '';
      position: absolute;
      top: 163px;
      /* 调整这个值，让线条居中穿过圆点 */
      left: 50%;
      transform: translateX(-50%);
      width: 90%;
      height: 1px;
      background: rgba(0, 170, 102, 0.3);
      z-index: 0;
    }

    .service-items {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      max-width: 1200px;
      margin: 0 auto;
      position: relative;
      z-index: 1;
      padding-bottom: 30px;
    }

    .service-item {
      position: relative;
      text-align: center;
      z-index: 2;
      display: flex;
      flex-direction: column;
      align-items: center;
      /* 水平居中 */
      justify-content: flex-start;
      /* 垂直方向顶部对齐 */
    }

    .service-item img {
      width: 40px;
      margin-bottom: 10px;
    }

    .circle {
      width: 30px;
      height: 30px;
      background-color: #00aa66;
      border-radius: 50%;
      margin: 0 auto 10px;
      border: 4px solid white;
      box-shadow: 0 0 0 4px #e0f5ec;
    }

    .service-item p {
      font-size: 16px;
      margin-top: 8px;
      text-align: center;
      min-height: 40px;
      /* 固定高度以保持垂直空间统一 */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .service-item.active p a{
      color: #3BB552;
    }

    /* 设计与安装 */
    .design-installation {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
    }

    .pb30
    {
      padding-bottom: 30px;
    }


    /* 容器：图文组合 */
    .design-content {
      display: flex;
      flex-wrap: wrap;
      align-items: flex-start;
      justify-content: flex-start;
      padding-top: 120px;
      max-width: 1250px;
      margin: auto;
      position: relative;
    }

    /* 图片叠加容器 */
    .design-image-container {
      position: relative;
      width:min(45%,600px);
      aspect-ratio: 1 / 1;
      margin: 20px;
      margin-right: 120px;
      margin-left: 10px;
      /* filter: drop-shadow(0 0 15px rgba(100, 220, 150, 0.6)); 浅绿色阴影 */
    }

    .circular-image {
      width: 100%;
      height: 100%;
      /* 使用clip-path创建圆形 */
      clip-path: circle(min(45%,600px) at center);
      /* 确保图片覆盖整个区域 */
      object-fit: cover;
      /* 相对定位为伪元素提供定位上下文 */
      position: relative;

    }

    .design-image-container::before {
      content: '';
      position: absolute;
      top: -40px;
      /* 调整圆环位置 */
      left: -40px;
      right: -40px;
      bottom: -40px;
      border: 8px solid #F8F8F8;
      /* 灰色圆环 */
      border-radius: 50%;
      pointer-events: none;
      /* 防止干扰点击 */

    }


    .design-image-container::after {
      content: '';
      position: absolute;
      top: -70px;
      left: -70px;
      right: -70px;
      bottom: -70px;
      border: 1px solid #DFDFDF;
      /* 绿色 */
      border-radius: 50%;
      pointer-events: none;
    }


    @keyframes rotateArc {
      from {
        transform: rotate(0deg);
      }

      to {
        transform: rotate(360deg);
      }
    }



    /* Stats 单独一行 */
.design-stats {
  width: 100%;
  max-width: 1200px;
  display: flex;
  justify-content: space-around;
  margin: auto;
  margin-top: 70px;
  text-align: center;
  align-items: stretch; /* 确保子项高度一致 */
}

.stat-item {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: flex-start; /* 内容垂直居中 */

}

/* 竖线分隔符（高度100%撑满父元素） */
.stat-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -10px; /* 定位到间隙中间 */
  top: 0;
  bottom: 0; /* 高度撑满父元素 */
  width: 1px;
  background-color: #ccc;
}

/* 单个元素时隐藏分隔线 */
.stat-item:only-child::after {
  display: none;
}

   

    .stat-item .num {
   
      color: #00aa66;
      padding-right: 15px;
      white-space: nowrap;
        font-size: clamp(20px, 3vw,30px); /* 动态缩小字体（推荐） */

    }

    

    .stat-item .text {
      font-size: 14px;
      color: #666;
      margin-top: 8px;
      display: block;
    }

    .design-text {
      flex: 1;
      padding: 20px;
      max-width: 600px;
    }

    .design-text-title {
      color: #000;
      font-size: 24px;

      font-weight: 700;
      line-height: 2;
      margin-bottom: 20px;
    }
 

    .design-text-content {
      color: #555;
      font-size: 12px;
      font-weight: 400;
      line-height: 2;
    }

    .design-content-slogn
    {
      position: absolute;
      left:45%;
      top:60%;
      color: #3BB552;
       font-size:62px;
       width: 480px;
       display: flex;
         flex-direction: column;
  justify-content: center; /* 垂直居中 */
  text-align: center;
  font-weight: bold;
    }
    .design-content-remark
    {
      text-align: center;
      color: #222;
      font-size: 14px;
      padding-top: 20px;
      font-weight: normal;
    }
 


    /* 项目展示 */

    .projects {
      text-align: center;
      /* 整体居中 */
     
      background-image: url("../images/bg-green.png");
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      padding-top: 50px;
      margin-bottom: 50px;
      margin-top:50px;
    }

    .projects .inner {
      max-width: 1200px;
      margin: 0 auto;
      text-align: left;
      /* 内容左对齐 */
    }

    .projects .inner h2{
      padding-bottom: 10px;
    }

    .projects-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      /* 图片左对齐 */

      margin-top: 20px;
    }

    .projects-grid img {
      width: 200px;
      height: 120px;
      object-fit: cover;
      margin: 10px;
      border-radius: 8px;
      transition: transform 0.3s;
    }

    .projects-grid img:hover {
      transform: scale(1.05);
    }

    .steps-gallery {
      text-align: center;
      padding: 80px 5%;
    }

    .step-swiper-container {
      width: 100%;
      max-width: 900px;
      margin: 0 auto;
      padding: 40px 0;
    }

    .swiper-slide {
      transition: transform 0.4s ease, opacity 0.4s ease;
      opacity: 0.6;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
    }

    .swiper-slide img {
      width: 100%;
      height: auto;
      border-radius: 10px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .swiper-slide-thumb-active {
      transform: scale(1.5);
      opacity: 1;
      z-index: 2;
    }

    .step-content {
      margin-top: 40px;
    }

    .step-content h3 {
      font-size: 24px;
      color: #00aa66;
    }

    @media (max-width: 768px) {
      .step-swiper-container {
        max-width: 100%;
      }

      .swiper-slide {
        width: 80%;
      }

      .swiper-slide-thumb-active {
        transform: scale(1.2);
      }
    }

    /* 设计流程 */
    .design-process {
      background: #f9f9f9;
    }

    .process-step {
      display: flex;
      align-items: center;
      margin-bottom: 40px;
    }

    .process-step:nth-child(even) {
      flex-direction: row-reverse;
    }

    .process-step img {
      width: 300px;
      margin: 20px;
    }

    .process-text {
      flex: 1;
    }

    /* 成功案例 */
    .cases {
      text-align: left;
       background: #f9f9f9;
  
    }

     .cases .container
     {
       position: relative;
       overflow: hidden;
       padding-top: 40px;
       text-align: center;

     }

     .cases .container h2{
       padding-bottom: 20px;
     }

     .cases-container {
            position: relative;
            height: 420px;
            perspective: 1200px;
            margin-bottom: 60px;
        }
        
        .case-box {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            opacity: 0;
            transform-style: preserve-3d;
            transition: transform 0.8s ease, opacity 0.8s ease;
            transform: rotateY(180deg);
        }
        
        .case-box.active {
            opacity: 1;
            transform: rotateY(0deg);
            z-index: 10;
        }
        
        .case-box.prev {
            opacity: 0.6;
            transform: rotateY(30deg) translateX(-80%) scale(0.8);
            z-index: 1;
        }
        
        .case-box.next {
            opacity: 0.6;
            transform: rotateY(-30deg) translateX(80%) scale(0.8);
            z-index: 1;
        }

 .case-text-title
 {
   font-size: 24px;
   color: #222;
   text-align: left;
   padding-bottom: 10px;
   border-bottom:  1px solid #ddd;
   margin-bottom: 10px;
 }
 .case-text-desc
 {
   text-align: left;
   font-size: 12px!important;
   line-height: 2;
 }

 .case-text-desc p
 {
   font-size: 12px!important;
 }

 .case-btn
 {

 
   border: none;
   background-color: #fff;
      background: transparent; /* 完全透明 */
       transition: transform 0.3s ease; /* 平滑过渡动画 */

 }

  
     .case-img {
            flex: 1;
            min-width: 50%;
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        
        .case-img::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
           
        }
        
        .case-text {
            flex: 1;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            background-color: #F0F8F2;
        }
        
        .case-text h3 {
            color: #222222;
            font-size: 2rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 15px;
        }
        
        .case-text h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: #3498db;
        }
        
        .case-text p {
            color: #555;
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 25px;
        }
        
        .features {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }
        
        .feature {
            background: #f8f9fa;
            padding: 12px 20px;
            border-radius: 8px;
            text-align: center;
            flex: 1;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease;
        }
        
        .feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .feature i {
            font-size: 1.8rem;
            color: #3498db;
            margin-bottom: 10px;
        }
        
        .feature h4 {
            color: #1a2a6c;
            margin-bottom: 5px;
            font-size: 1.1rem;
        }
        
        .feature p {
            font-size: 0.9rem;
            margin-bottom: 0;
            color: #666;
        }
        
        .controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 20px;
            margin-top: 30px;
             margin-bottom: 30px;
        }
        
        .btn {
            background: #1a2a6c;
            color: white;
            border: none;
            padding: 14px 30px;
            font-size: 1.1rem;
            border-radius: 50px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(26, 42, 108, 0.4);
        }
        
        .btn:hover {
            background: #3498db;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(52, 152, 219, 0.6);
        }
        
        .btn:active {
            transform: translateY(0);
        }
        
        .indicators {
            display: flex;
            justify-content: center;
            gap: 10px;
           
        }
        
        .indicator {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ccc;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .indicator.active {
            background: #3498db;
            transform: scale(1.2);
        }
        
        .fade-in {
            animation: fadeIn 0.8s ease-out;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .case-box {
                flex-direction: column;
                height: auto;
                min-height: 500px;
            }
            
            .case-img {
                min-height: 250px;
            }
            
            .case-text {
                padding: 30px;
            }
        }
        
        @media (max-width: 768px) {
            .section {
                padding: 30px 20px;
            }
            
            h2 {
                font-size: 2rem;
            }
            
            .features {
                flex-direction: column;
            }
            
            .case-text h3 {
                font-size: 1.6rem;
            }
        }
    /* 联系我们 */
    .contact {
      text-align: center;
      padding: 60px 5%;
      background: #e7f1ef;
    }

    .contact button {
      padding: 15px 30px;
      background: #00aa66;
      color: white;
      border: none;
      border-radius: 30px;
      font-size: 18px;
      cursor: pointer;
      transition: background 0.3s;
    }

    .contact button:hover {
      background: #008855;
    }

    /* 页脚 */
    footer {
      background: #0d1a26;
      color: white;
      padding: 60px 5%;
      text-align: center;
    }

    /* 响应式 */
    @media (max-width: 768px) {
      .design-installation {
        flex-direction: column;
      }

      .process-step {
        flex-direction: column;
      }

      .case-box {
        flex-direction: column;
      }
    }

    /* 动效 */
    .fade-in {
      opacity: 0;
      transform: translateY(30px);
      transition: all 1s ease;
    }

    .fade-in.show {
      opacity: 1;
      transform: translateY(0);
    }
    .step-title.mb80
    {
      margin-bottom: 80px;
    }

       .step-title
   {
    text-align: center;
    margin-bottom: 50px;
    margin-top:50px;
   }
  .step-title-content
  {
    color: #000;
font-size: 24px;

padding-bottom: 10px;
font-weight:bold;
  }
  .step-desc
  {
    color: #555;

font-family: "Segoe UI";
font-size: 12px;

  }

  /* 时间轴容器 */
  .product-timeline {
      position: relative;
      max-width: 1000px;
      margin: 0 auto;
      padding: 20px 0;
   
    }

    .product-timeline-container
    {
      background-image: url('../images/product-timeline-bg.png');
      background-repeat: no-repeat;
      background-size: cover;
      background-position: center;
      margin-bottom: 20px;
    }

    /* 中央竖线 */
    .product-timeline::after {
      content: '';
      position: absolute;
      width: 1px;
      background: #3BB552;
      top: 0;
      bottom: 0;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1;
    }

    /* 每条时间线项目容器 */
    .product-item {
      position: relative;
      width: 100%;
      margin-bottom: -90px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

      .product-item:last-child
      {
        margin-bottom: 30px;
      }

    /* 卡片样式（左侧） */
    .product-card {
    
      position: relative;
       border-radius: 16px;
        width: 45%;          /* 宽度是父容器的 45% */
  aspect-ratio: 3/2;    /* 强制宽高比 4:3 */
  object-fit: cover;    /* 裁剪图片，保持比例 */
  object-position: center; /* 从中间裁剪 */
  
    }


    /* 标题样式（右侧） */
    .product-title {
      width: 45%;
      padding: 15px;
      color: #222;
      font-size: 1.2em;
      text-align: left;
      position: relative;
    }

    /* 连接横线 */
    .product-item::before {
      content: '';
      position: absolute;
      width: 50px;
      height: 1px;
      background: #3BB552;
      top: 50%;
      left: 50%;
      transform: translateY(-50%);
      z-index: 2;
    }
    .product-right.product-item::before
    {
      left:calc(50% - 50px);
    }
    .product-right .product-title
    {
      text-align: right;
    }

    /* 中央圆点（带阴影） */
    .product-item::after {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      background: #3BB552;
      border-radius: 50%;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      z-index: 3;
        backdrop-filter: blur(10px);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
      border: 2px solid rgba(255, 255, 255, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .joinus
    {
      background-image: url("../images/product-contact-bg.png");
      background-repeat: no-repeat;
      background-size: cover;
      background-position:center;
      min-height: 500px;
    
      display: flex;
      justify-content: center; /* 水平居中 */
      align-items: center;     /* 垂直居中 */
    }
    .joinus .btn-more
    {
      justify-content: center;
    }

  .contact-content-joinus {
      margin:auto;
      font-size: 14px;
      line-height: 24px;
      text-align: center;
     
    }

    .contact-title-joinus {
      padding-bottom: 30px;
      font-size: 32px;
    }

    .contact-content-joinus .contact-content-desc {
      font-size: 14px;
      line-height: 28px;
    }

    .contact-content-joinus .btn-more {
      padding-top: 25px;
      font-size: 12px;
    }

 .harvest-swip-container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }
        
        .harvest-swip-header {
            text-align: center;
            margin-bottom: 50px;
        }
        
        .harvest-swip-title {
            font-size: 2.8rem;
            color: white;
            margin-bottom: 15px;
            text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
        
        .harvest-swip-subtitle {
            color: #93c5fd;
            font-size: 1.3rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }
        
        /* 轮播轨道 */
        .harvest-swip-track {
            position: relative;
            height: 400px;
            perspective: 100%;
            margin: 0 auto 80px;
            max-width: 1000px;
        }
        
        /* 轮播项 */
        .harvest-swip-slide {
            position: absolute;
            top: 0;
            width: 60%;
            height: 100%;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 15px 50px rgba(0, 0, 0, 0.4);
            transition: all 0.8s cubic-bezier(0.17, 0.67, 0.22, 1);
            display: flex;
            justify-content: center;
            align-items: center;
            background-size: cover;
            background-position: center;
        }
        
        /* 图片角标 */
        .harvest-swip-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            width: 40px;
            height: 40px;
            background: rgba(52, 152, 219, 0.9);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: bold;
            font-size: 1.2rem;
            z-index: 20;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
        }
        
        /* 中间项 */
        .harvest-swip-slide.center {
            left: 50%;
            transform: translateX(-50%) scale(1);
            z-index: 10;
            width: 70%;
            height: 100%;
            top: 0%;
        }
        
        /* 左侧项 */
        .harvest-swip-slide.left {
            left: 10%;
            transform: translateX(-50%) scale(0.8);
            z-index: 5;
            opacity: 0.9;
            width: 50%;
            filter: brightness(0.8);
        }
        
        /* 右侧项 */
        .harvest-swip-slide.right {
            left: 90%;
            transform: translateX(-50%) scale(0.8);
            z-index: 5;
                    width: 50%;
            opacity: 0.9;
            filter: brightness(0.8);
        }
        
        /* 隐藏项 */
        .harvest-swip-slide.hidden-left {
            left: -30%;
            transform: translateX(-50%) scale(0.7);
            opacity: 0;
            z-index: 1;
        }
        
        .harvest-swip-slide.hidden-right {
            left: 130%;
            transform: translateX(-50%) scale(0.7);
            opacity: 0;
            z-index: 1;
        }
        
        .harvest-swip-slide-content {
            background: rgba(0, 0, 0, 0.6);
            color: white;
            padding: 30px;
            border-radius: 15px;
            max-width: 80%;
            text-align: center;
            transform: translateY(50px);
            opacity: 0;
            transition: all 0.8s ease 0.3s;
        }
        
        .harvest-swip-slide.center .harvest-swip-slide-content {
            transform: translateY(0);
            opacity: 1;
        }
        
        .harvest-swip-slide h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            color: #3498db;
        }
        
        .harvest-swip-slide p {
            font-size: 1.1rem;
            line-height: 1.7;
        }
        
        /* 控制按钮 */
        .harvest-swip-controls {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 40px;
        }
        
        .harvest-swip-btn {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            background: linear-gradient(45deg, #3498db, #1a2a6c);
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(52, 152, 219, 0.5);
        }
        
        .harvest-swip-btn:hover {
            transform: translateY(-8px) scale(1.05);
            box-shadow: 0 12px 35px rgba(52, 152, 219, 0.7);
        }
        
        .harvest-swip-btn:active {
            transform: translateY(-4px) scale(1.02);
        }
        
        .harvest-swip-btn i {
            font-size: 2.2rem;
            color: white;
        }
        
        /* 指示器 */
        .harvest-swip-indicators {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 30px;
        }
        
        .harvest-swip-indicator {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .harvest-swip-indicator.active {
            background: #3498db;
            transform: scale(1.3);
        }
        
        /* 响应式 */
        @media (max-width: 992px) {
            .harvest-swip-track {
                height:350px;
            }
            
            .harvest-swip-slide {
                width: 60%;
            }
            
            .harvest-swip-slide.center {
                width: 90%;
            }
        }
        
        @media (max-width: 768px) {
            .harvest-swip-title {
                font-size: 2.2rem;
            }
            
            .harvest-swip-subtitle {
                font-size: 1.1rem;
            }
            
            .harvest-swip-track {
                height:300px;
            }
            
            .harvest-swip-slide h3 {
                font-size: 1.6rem;
            }
            
            .harvest-swip-slide p {
                font-size: 1rem;
            }
            
            .harvest-swip-btn {
                width: 70px;
                height: 70px;
            }
            
            .harvest-swip-badge {
                width: 35px;
                height: 35px;
                font-size: 1rem;
            }
        }

           .index-process-image-row {
            display: flex;
            gap: 15px;
            max-width: 1200px;
            margin: 0 auto;
            align-items: stretch
        }

        .projects-remark
        {
          padding-bottom: 30px;
        }

        .index-process-image-card {
            flex: 1;
            min-width: 0;
            position: relative;
            border-radius: 6px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            aspect-ratio: 5/4;
            /* Maintain square shape */
        }

        .index-process-image-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(59, 189, 82, 0.7) 0%, transparent 100%);
            pointer-events: none;
        }

        .index-process-image-card img {
            width: 100%;
          aspect-ratio: 5 / 4;
            object-fit: cover;
            display: block;
        }

        .index-process-image-title {
            position: absolute;
            left: 15px;
            bottom: 15px;
            color: white;
            font-size: 16px;
            font-weight: bold;
            z-index: 2;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
        }

        @media (max-width: 768px) {
            .index-process-image-row {
                flex-wrap: wrap;
            }

            .index-process-image-card {
                flex: 0 0 calc(50% - 10px);
            }
        }

        @media (max-width: 480px) {
            .index-process-image-card {
                flex: 0 0 100%;
            }
        }


          * { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; background: #f5f5f5; }

.product-flow-carousel-wrapper {
  width: 100%;
  max-width: 1200px; /* 新增最大宽度限制 */

  margin: 40px auto;
  position: relative;
}

.product-flow-carousel-track {
  display: flex;
  justify-content: center;
  align-items: flex-end;
  gap: 2vw;
  transition: all 0.5s ease;
  padding-bottom: 60px;
  position: relative;
}

.product-flow-slide {
  flex: 0 0 calc(28vw - (28vw * 0.4)); /* 调整为5:3比例 */
  height: calc((28vw - (28vw * 0.4)) * 0.6); /* 5:3比例计算高度 */
  max-width: 400px; /* 防止在大屏幕上过大 */
  max-height: 240px; /* 5:3比例对应高度 */
  transform: scale(0.8);
  transform-origin: center bottom;
  opacity: 0.5;
  transition: all 0.5s ease;
  position: relative;
  z-index: 1;
  aspect-ratio: 5/3; /* 确保保持5:3比例 */
}

.product-flow-slide.active {
  transform: scale(1.2);
  opacity: 1;
  z-index: 3;
}

.product-flow-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.15);
  display: block;
  aspect-ratio: 5/3; /* 图片保持5:3比例 */
}

.product-flow-badge {
  position: absolute;
  top: -15px;
  right: -15px;
  font-weight: bold;
  color: #3BB552;
  font-size: 24px;

  pointer-events: none;
}

.product-flow-carousel-nav {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  gap: 20px;
}

.product-flow-button {
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
   background: transparent; /* 完全透明 */
       transition: transform 0.3s ease; /* 平滑过渡动画 */
}



.product-flow-button:hover {
    /* transform: scale(1.1); 放大到 1.1 倍 */
}

@media (max-width: 768px) {
  .product-flow-slide {
    flex: 0 0 calc(36vw - (36vw * 0.4)); /* 移动端5:3比例调整 */
    height: calc((36vw - (36vw * 0.4)) * 0.6);
    max-width: 300px;
    max-height: 180px;
  }

  .product-flow-slide.active {
    transform: scale(1.1);
  }
}

.product-btn-left
{
   transform: rotate(180deg);
}