body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0px;

        }
        header {
            /* background-color:#fff; */
            color: #fff;
            text-align: center;
        }

        footer {
            /* background-color: #333; */
            color: #fff;
            text-align: center;
        }
    
        main {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between; 
        }
        section {
            flex-basis: 49%; 
            box-sizing: border-box;
            padding: 5px;
            margin-bottom: 20px;
            margin-left: 10px;
    
        }

        #section1 img {
            width: 100%; 
            height: auto; 
        }

        #section3 {
            margin-left:10%;
            margin-right:10%;

        }
      
       
        
        @media (max-width: 1250px) {
  
            #purchaseButton2 {
        display: none;
    }



 
    section {
        flex-basis: 100%; 
    }
}

#logoContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2px 0;
    background-color: transparent;
}

#logoContainer a {
    text-decoration: none;
}

#logoImg {
    width: 128px;
    height: 128px;
}

h3{
font-size: xx-large;
}
   



/* Your existing purchaseButton2 styles */
#purchaseButton2 {
    position: fixed;
    bottom: 1px;
    right: 0px;
    z-index: 999;
}



#purchaseButton2 {
    appearance: button;
    background-color: #1899D6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    box-sizing: border-box;
    color: #FFFFFF;
    cursor: pointer;
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .8px;
    line-height: 20px;
    margin: 0;
    outline: none;
    overflow: visible;
    padding: 13px 19px;
    text-align: center;
    text-transform: uppercase;
    touch-action: manipulation;
    transform: translateZ(0);
    transition: filter .2s;
    user-select: none;
    -webkit-user-select: none;
    vertical-align: middle;
    white-space: nowrap;
}

#purchaseButton2:after {
    background-clip: padding-box;
    background-color: #1CB0F6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    bottom: -4px;
    content: "";
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: -1;
}


#purchaseButton2:focus {
    user-select: auto;
}


#purchaseButton2:hover:not(:disabled) {
    filter: brightness(1.1);
}


#purchaseButton2:disabled {
    cursor: auto;
}


#purchaseButton2:active:after {
    border-width: 0 0 0px;
}


#purchaseButton2:active {
    padding-bottom: 10px;
}



#purchaseButton1 {
    appearance: button;
    background-color: #1899D6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    box-sizing: border-box;
    color: #FFFFFF;
    cursor: pointer;
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .8px;
    line-height: 20px;
    margin: 0;
    outline: none;
    overflow: visible;
    padding: 13px 19px;
    text-align: center;
    text-transform: uppercase;
    touch-action: manipulation;
    transform: translateZ(0);
    transition: filter .2s;
    user-select: none;
    -webkit-user-select: none;
    vertical-align: middle;
    white-space: nowrap;
}

#purchaseButton1:after {
    background-clip: padding-box;
    background-color: #1CB0F6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    bottom: -4px;
    content: "";
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: -1;
}


#purchaseButton1:focus {
    user-select: auto;
}


#purchaseButton1:hover:not(:disabled) {
    filter: brightness(1.1);
}


#purchaseButton1:disabled {
    cursor: auto;
}


#purchaseButton1:active:after {
    border-width: 0 0 0px;
}


#purchaseButton1:active {
    padding-bottom: 10px;
}





.div-contact-info {
    display: flex;
    flex-wrap: wrap; /* 允许子元素换行 */
    justify-content: space-between;
    padding: 20px;
    background-color: #333;
    color: #fff;
    max-width:100%;
}

.div-contact-info > div {
    flex: 1;
    max-width: 100%;
    margin: 0 1px; /* 添加间距以分隔每个column */
}

.div-contact-info h4 {
    text-align: left;
}

.div-contact-info a {
    display: block;
    text-align: left; /* 左对齐 */
    margin-top: 10px; /* 添加顶部间距 */
    color: #fff; /* 设置为白色字体 */
}

/* 响应式设计 */
@media screen and (max-width: 768px) {
    .div-contact-info > div {
        flex: 0 0 100%; /* 每个column占据整个宽度 */
        margin: 10px 0; /* 更改间距 */
    }
}


.subscribe-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    text-align: center;
    text-decoration: none;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s;
    margin:10px;
}

.subscribe-btn:hover {
    background-color: #45a049;
}








.banner-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: rgb(33, 33, 33);
    padding: 20px;
}

.banner-box {
    margin-bottom: 30px;
    margin-left: 20px;
    margin-right: 20px;
    min-width: 100px;
    border: 2px solid white; /* 添加边框样式 */
    border-radius: 30px;
    min-height: 100px;
    background-color: rgb(3, 3, 3) /* 将背景色设置为透明 */

    display: flex;
    justify-content: center;
    align-items: center;
    color: white; /* 文字颜色设置为白色 */
    font-weight: bold;
    font-size: 24px;
    font-family: Arial, sans-serif;
    line-height: 1.5;
    padding: 10px;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
    flex: 1;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7); /* 添加文字阴影以突出显示 */
}

/* Responsive design */
@media (max-width: 768px) {
    .banner-container {
        flex-direction: column;

    }

    .banner-box {
        margin-bottom: 10px;
        margin-left: 0;
        margin-right: 0;
    }
}


/* 右下角按钮。 */

#purchase-link-div-1 {
    position: relative;
  }
  #sticky-purchase-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    /* Apply the styles of #purchaseButton1 to the sticky button */
    appearance: button;
    background-color: #1899D6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    box-sizing: border-box;
    color: #FFFFFF;
    cursor: pointer;
    display: inline-block;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: .8px;
    line-height: 20px;
    margin: 0;
    outline: none;
    overflow: visible;
    padding: 13px 19px;
    text-align: center;
    text-transform: uppercase;
    touch-action: manipulation;
    transform: translateZ(0);
    transition: filter .2s;
    user-select: none;
    -webkit-user-select: none;
    vertical-align: middle;
    white-space: nowrap;
  }
  #sticky-purchase-button:after {
    background-clip: padding-box;
    background-color: #1CB0F6;
    border: solid transparent;
    border-radius: 16px;
    border-width: 0 0 4px;
    bottom: -4px;
    content: "";
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    z-index: -1;
  }
  #sticky-purchase-button:focus {
    user-select: auto;
  }
  #sticky-purchase-button:hover:not(:disabled) {
    filter: brightness(1.1);
  }
  #sticky-purchase-button:disabled {
    cursor: auto;
  }
  #sticky-purchase-button:active:after {
    border-width: 0 0 0px;
  }
  #sticky-purchase-button:active {
    padding-bottom: 10px;
  }

  #notification {
    display: none;
    font-size: 18px;
    /* background-color: white; 设置通知条的背景颜色 */
    background-color: purple !important;
    color: black; /* 设置文字颜色为白色 */
    padding: 30px; /* 设置内边距 */
    text-align: center; /* 文字居中 */
    position: fixed; /* 固定在页面顶部 */
    top: 0; /* 距离页面顶部0像素 */
    left: 0; /* 距离页面左侧0像素 */
    width: 100%; /* 宽度100% */
    margin: 0px;
    z-index: 9999; /* 确保通知条显示在其他元素之上 */
}


/* 一键调节亮度的css。 */

.light-mode {
    background-color: #fff; /* 切换到亮色模式时的背景颜色 */
    color: #000; /* 切换到亮色模式时的文字颜色 */
}

.dark-mode {
    background-color: #000; /* 切换到暗色模式时的背景颜色 */
    color: #fff; /* 切换到暗色模式时的文字颜色 */
}

.white-icon {
    color: white;
    position: fixed;
    top: 20px; /* 距离顶部的距离 */
    right: 20px; /* 距离右侧的距离 */
    z-index: 9999; /* 控制按钮的层叠顺序 */
}

/* 举报链接的css。 */
#report-link {
    margin-top: 10px; /* 设置上方距离为 20 像素 */
    display: block; /* 让超链接元素作为块级元素显示，以便设置上下间距 */
    color:#333
}


        
        /* 聊天按钮的css */
        #contactButton {
            position: fixed;
                      bottom: 100px;
                      right: 20px;
                      background-color:   whitesmoke;
                      color: black;
                      padding: 15px 15px;
                      font-size: 15px;
                      border: none;
                      border-radius: 90%;
                      cursor: pointer;
                      width:100px;
                  }
                  
                  #contactButton:hover {
                      background-color:   white;
                  }
                  
                  #contactFormContainer {
                      display: none;
                      position: fixed;
                      bottom: 70px;
                      right: 20px;
                      width: 250px; /* 修改为较小的数值 */
                      background-color: black;
                      border: 1px solid #ccc;
                      padding: 20px;
                      text-align: left;
          }
          #contactButton.new-message {
              animation: blink 1.5s infinite;
          }
          
/* 回到顶部的css。 */
          #scrollToTop {
            display: none;
            position: fixed;
            bottom: 200px;
            right: 20px;
            z-index: 99;
            font-size: 18px;
            cursor: pointer;
            background-color: black;
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            text-align: center;
            line-height: 40px;
        }
        #scrollToTop:hover {
            background-color: #0056b3;
        }

/* 使产品细节里面的图片宽度100%高度auto。 */
        #product-details img {
            width: 100%; /* 宽度占满父容器 */
            height: auto; /* 高度自适应 */
        }