* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
        }
        
       /* 顶部导航栏 */
header {
  background: #ffffffcc;
  position: fixed;
  width: 100%;
  height: 60px;
  opacity: 1;
  top: 0;
  z-index: 1000;
  display: flex;
}

.nav-container {
  display: flex;
  align-items: center;
  width: 100%;
  height: 3.75rem;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 40px;
  width: 28px;
  height: 28px;
  margin-left: 295px;
  margin-top: 16px;
  margin-bottom: 16px;
}

.logo-img {
  position: absolute;
  height: 28px;
  width: 28px;
}



nav ul {
  display: flex;
  list-style: none;
  margin: 0px 0 0 51px;
}

nav ul li {
  margin: 0 32px;
  position: relative;
  width: 80px;
  height: 27px;
  text-align: left;
  font-size: 20px;
  font-weight: 400;
  font-family: "Microsoft YaHei UI";
}

nav ul li a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  padding: 5px 0;
  transition: color 0.3s;
}

nav ul li a:hover {
  color: #0eb28e;
}

nav ul li a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  transition: width 0.3s;
}

nav ul li a:hover::after {
  width: 100%;
}
/* 激活状态的样式 */
.navbar ul li a.active {
  color: #0EB28E; /* 设置为绿色 */
}

/* 图片部分样式 */
.banner {
    width: 100%;
    height: auto;
    margin-top: 0px;
  }
 .image-container {
            width: 100%;
            height: auto;
            position: relative;
            margin-top: 0; /* 移除默认间距 */
        }
/* 主体部分 */
 /* 大容器样式优化 */
        .big-box{
            width :  100%;        
            height :  auto;        
            opacity :  1;        
            background :    #ffffff;
            margin: 76px 0px
        }

        .box-zt{
            width: 100%;
            background-color: rgb(245, 255, 252);
            padding: 32px 267px;
        }
@media screen and (max-width: 1440px) {
    .box-zt{
        padding: 2rem 6.25rem;
    }
}
        /* 卡片样式优化 */
        .card1 {
            display: flex;
            align-items: center;
            padding: 25px;
            background-color: white;
            border-radius: 10px;
            transition: all 0.3s ease;
            border-width: 1px;
    border-style: solid;
    border-color: #f4f4f4;
        }

        .card1:last-child {
            margin-bottom: 0;
        }

        /* 图片容器优化 */
        .card1-img {
            flex: 0 0 280px; /* 增加图片宽度 */
            height: 200px; /* 增加图片高度 */
            margin-right: 40px; /* 增加图片文字间距 */
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            width: 282px;
            height: 161px;
            opacity: 1;
            background: #22c7a3;
        }

        .card1-img img {
            width: 100%;
            height: 100%;

            transition: transform 0.3s;

opacity: 1;
background: #22c7a3;
        }

        /* 文字内容区优化 */
        .card1-content {
            flex: 1;
            padding-right: 20px;
        }

        .card1-content h3 {
            color: #2d2d2d;
            margin-bottom: 18px;
            font-size: 1.6em;
            font-weight: 600;
        }

        .card1-content p {
            color: #555;
            line-height: 1.7;
            font-size: 16px;
        }
        .bt{
             width: 107px;
 height: 20px;
 opacity: 1;
 color: #383e3b;
 text-align: left;
 font-size: 16px;
 font-weight: 400;
 font-family: "Microsoft YaHei UI";
 letter-spacing: 1.92px;
 margin: 56px 0 42px 0px;
        }

        /* 悬停效果优化 */
        .card1:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.12);
        }

        .card1:hover .card-img img {
            transform: scale(1.05);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .card1 {
                flex-direction: column;
                margin-bottom: 30px;
                padding: 20px;
                width: 21.25rem;
            }

            .card1-img {
                flex: none;
                width: 100%;
                height: auto;
                margin-right: 0;
                margin-bottom: 25px;
            }

            .card1-content {
                width: 100%;
                padding-right: 0;
            }
            .box-zt{
              padding: 1rem 1.25rem;
            }
            .banner{
              margin-top: 3.75rem;
            }
            footer p{
              width: 100%;
              margin: auto;
            }
        }

        /* 窗口交互 */
       #icon {
        position: fixed;
    bottom: 120px;
    right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 110px;
  height: 110px;
  transition: transform 0.3s ease;
}

#chat-icon  {
  width: 80px;
  height: 80px;
  border-radius: 50%;

}
#chat-icon img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#icon-p {
    color: white;
    font-family: Arial, sans-serif;
    width: 98px;
    height: 30px;
    border-radius: 194px;
    opacity: 1;
    border: 2px solid #ffffff;
    background: linear-gradient(90deg, #0ed3ac 0%, #00c590 97%);
    box-shadow: 0 -4px 10px 0 #00352a33;
    margin-top: -18px;
}
#icon-p p{
    height: 20px;
    opacity: 1;
    color: #ffffff;
    text-align: center;
    font-size: 16px;
    font-weight: 700;
    font-family: "Alimama ShuHeiTi";
    letter-spacing: 1.92px;
} 
#icon:hover #chat-icon {
      transform: scale(1.1);
      cursor: pointer; 
    }
    
    #icon:hover #icon-p {
      transform: translateY(-2px);
      background-color: #059669;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    }
        #chat-window {
            position: fixed;
            bottom: 80px;
            right: 20px;
            width: 300px;
            height: 400px;
            background-color: white;
            border: 1px solid #ffffff;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: translateY(20px);
            opacity: 0;
            visibility: hidden;
            transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s;
        }
        #chat-window.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }
        #chat-header {
            padding: 10px 15px;
            background-color: #22c7a3;
            color: white;
            font-weight: bold;
            cursor: move;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
            #chat-window img {
            width: 30px;
            height: 30px;
         }
         #chat-header p {
    margin-left: 10px;
}
        #chat-messages {
            flex: 1;
            min-height: 200px;
            max-height: 450px;
            overflow-y: auto;
            padding: 10px;
            background-color: #f9f9f9;
        }
        #chat-input {
                display: flex;
    position: absolute;
    width: 300px;
    padding: 20px 20px;
    border-top: 1px solid #EBEDF5;
    bottom: 1px;

        }
        #message-input {
            flex: 1;
            padding: 8px;
            border:1px solid #22c7a3;
            border-radius: 4px;
            margin-right: 10px;
        }
        #message-input:focus {
            outline: none; /* 移除默认的聚焦轮廓 */
        border: 1px solid #EBEDF5;
}
        #send-button {
            padding: 8px 15px;
            background-color: #22c7a3;
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
        }
        #send-button:hover {
            background-color: #0056b3;
        }
        .user-message, .bot-message {
            margin: 8px 0;
            padding: 10px;
            border-radius: 6px;
            max-width: 85%;
        }
        .user-message {
                background-color: #F8FFFD;
    margin-left: auto;
    border: 1px solid #EBEDF5;
        }
        .bot-message {
                background-color: #ffffff;
    border: 1px solid #EBEDF5;
        }
        .content {
            padding: 20px;
        }
        p{
          margin-bottom: 0 !important;
        }
        button,
        input,
        optgroup,
        select,
        textarea {
          font-size: .75rem !important; /* 设置具体大小 */
          line-height: 0 !important; /* 设置具体行高 */
        }

 /* 底部         */
 footer {
  position: absolute;
  text-align: center;
  width: 100%;
  height: 102px;
  opacity: 1;
  background: #22c7a3;
  display: flex;
            align-items: center;
            justify-content: center;
}
footer p {
  width: 480px;
  height: 48px;
  color: #f8fffd;
  text-align: center;
  font-size: clamp(0.75rem, 1.5vw,1rem);
  font-weight: 400;
  font-family: "Microsoft YaHei UI";
  line-height: 24px;
}
.foot{
  display: flex;
  align-items: center;
  justify-content: center;
  }
/* 断电媒体查询 */
        @media (max-width: 768px) {
            .section, .section2 {
              flex-direction: column;
              width: 100%;
              margin: 32px 0;
              height: auto;
            }
          
            .section:nth-child(even), .section2:nth-child(even) {
              flex-direction: column;
            }
          
            .section-text, .section-text2 {
              width: 100%;
              padding: 20px;
            }
            .section-text2{
              margin-left: 0;
            }
            .section-image, .section-image2 {
              width: 100%;
              margin: 20px 0;
              display: flex;
              align-items: center;
              justify-content: center;
            }
          
            .section-image img, .section-image2 img {
              width: 60%;
              height: auto;
              max-width: 100%;
              object-fit: contain;
            }
            .section-image,.section-image2{
              height: unset;
            }
          
            .section-text p, .section-text2 p {
              width: 100%;
              margin: 10px 0;
              padding: 0 10px;
            }
          
            .ad-content ul, .ad-content2 ul {
              flex-wrap: wrap;
              justify-content: center;
            }
          
            .ad-content li, .ad-content2 li {
              white-space: normal;
              margin: 8px;
            }
            .tu{
              height: auto;
            }
          }
          /* 响应式调整 */
          @media (max-width: 768px) {
            .back-to-top {
              bottom: 20px;
              right: 20px;
              width: 45px;
              height: 45px;
            }
          }
          
          /* 响应式导航栏样式 */
          @media (max-width: 1379.98px) {
            .navbar {
              position: fixed;
              top: 60px;
              left: 0;
              right: 0;
              background: #ffffffcc;
              padding: 1rem;
              display: none;
            }
          
            .navbar.show {
              display: block;
            }
          
            nav ul {
              flex-direction: column;
              margin: 0 !important;
              align-items: center;
            }
          
            nav ul li {
              margin: 10px 0 !important;
              width: auto !important;
            }
          
            .navbar-toggler {
              display: block;
              border: none;
              background-color: #ffffff00;
              padding: 1.5rem;
            }
          
            .navbar-toggler:focus {
              outline: none;
            }
          
            .navbar-toggler-icon {
              display: inline-block;
              width: 1.5em;
              height: 1.5em;
              vertical-align: middle;
              background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(19, 38, 33, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
              background-repeat: no-repeat;
              background-position: center;
              background-size: 100%;
            }
          }
          
          @media (min-width: 1380px) {
            .navbar {
              display: block !important;
            }
          
            .navbar-toggler {
              display: none;
            }
          
            nav ul {
              margin: 0px 0 4px 51px !important;
            }
          
            nav ul li {
              margin: 0 32px !important;
            }
          }