:root {
    --blue: #4fd6cf;
    --contact-text-color: #333; /* 联系信息文本颜色 */
    --contact-heading-color: #333; /* 联系信息标题颜色 */
    --contact-font-size: 1.6rem; /* 联系信息字体大小 */
    --contact-heading-font-size: 2rem; /* 联系信息标题字体大小 */
}

*{
    margin:0; padding:0;
    box-sizing: border-box;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    outline: none; border:none;
    text-decoration: none;
    text-transform: capitalize;
    transition: .2s linear;
}

html{
    font-size: 62.5%;
    scroll-behavior: smooth;
    scroll-padding-top: 6rem;
    overflow-x: hidden;
}

section{
    padding:2rem 9%;
}

.heading{
    text-align: center;
    font-size: 4rem;
    color:#333;
    padding:1rem;
    margin:2rem 0;
    background:rgba(2, 173, 165, 0.05);
    /* 标题框颜色#02AD85 */
}

.heading span{
    color:var(--blue);
}

.btn{
    display: inline-block;
    margin-top: 1rem;
    border-radius: 5rem;
    background:#333;
    color:#fff;
    padding:.9rem 3.5rem;
    cursor: pointer;
    font-size: 1.7rem;
}

.btn:hover{
    background:var(--blue);
}

header{
    position: fixed;
    top:0; left:0; right:0;
    background:#fff;
    padding:2rem 9%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1000;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.1);
}

header .logo{
    font-size: 3rem;
    color:#333;
    font-weight: bolder;
}

header .logo span{
    color:var(--blue);
}

header .navbar a{
    font-size: 2rem;
    padding:0 1.5rem;
    color:#666;
}

header .navbar a:hover{
    color:var(--blue);
}

header .icons a{
    font-size: 2.5rem;
    color:#bfeee2;
    margin-left: 1.5rem;
}

header .icons a:hover{
    color:var(--blue);
}


header #toggler{
    display: none;
}

header .fa-bars{
    font-size: 3rem;
    color:#333;
    border-radius: .5rem;
    padding:.5rem 1.5rem;
    cursor: pointer;
    border:.1rem solid rgba(0,0,0,.3);
    display: none;
}



/* 替换现有.home img规则 */
/* 顶部主轮播图样式 */
/* 主轮播图容器 - 固定16:4宽高比 */
.main-carousel {
    position: relative;/* 设置为相对定位，作为子元素绝对定位的参照 */
    width: 100%;/* 宽度占满父容器 */
    padding-top: 25%; /* 16:4比例 (4/16=0.25) */
    margin-top: 90px; /* 匹配导航栏高度 */
    overflow: hidden;/* 隐藏超出容器的内容 */
    background: #f5f5f5; /* 备用背景色 */
}

/* 轮播图内部容器 - 绝对定位填满父容器 */
.main-carousel-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease;/* 添加滑动过渡效果，0.5秒完成，缓动效果 */
    z-index: 1; /* 低于导航栏 */
}

/* 单个轮播项样式 */
.main-carousel-item {
    min-width: 100%; /* 每个轮播项最小宽度为容器宽度 */
    height: 100%;
    box-sizing: border-box; /* 边框和内边距包含在宽度内 */
    flex-shrink: 0;
    position: relative; /* 为链接提供定位上下文 */
}

/* 轮播项内图片样式 - 使用object-fit确保图片填充容器 */
.main-carousel-item img {
    width: 100%; /* 图片宽度填满轮播项 */
    height: 100%;
    display: block; /* 块级显示，避免图片下方有间隙 */
    object-fit: cover; /* 保持比例填充容器 */
}

/* 链接样式 - 填满整个轮播项 */
.main-carousel-item a {
    display: block;
    width: 100%;
    height: 100%;
}

/* 轮播控制按钮通用样式 */
.main-carousel-control {
    position: absolute; /* 绝对定位 */
    top: 50%; /* 垂直居中 */
    transform: translateY(-50%); /* 精确垂直居中 */
    background: rgba(0, 0, 0, 0); /* 半透明黑色背景 */
    color: white; /* 白色文字 */
    border: none; /* 无边框 */
    padding: 10px 15px; /* 内边距 */
    cursor: pointer; /* 鼠标指针变为手形 */
    z-index: 10; /* 确保按钮在轮播内容之上 */
    font-size: 18px; /* 字体大小 */
    margin: 0 2px;/* 左右位置 */
    /* 或者使用以下值获得不同程度的圆角 */
    /* border-radius: 8px; */ /* 中等圆角 */
    border-radius: 4px; /* 轻微圆角 */
    width: 40px; /* 固定宽度 */
    height: 40px; /* 固定高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease; /* 添加过渡效果 */
}



/* 上一页按钮特定位置 */
.main-carousel-control.prev {
    left: 10px; /* 距离左侧10px */
}

/* 下一页按钮特定位置 */
.main-carousel-control.next {
    right: 10px; /* 距离右侧10px */
}

/* 轮播指示器容器样式 */
.main-carousel-indicators {
    position: absolute; /* 绝对定位 */
    bottom: 20px; /* 距离底部20px */
    left: 50%; /* 水平居中开始位置 */
    transform: translateX(-50%); /* 精确水平居中 */
    display: flex; /* flex布局使指示器水平排列 */
    gap: 10px; /* 指示器之间的间距 */
    z-index: 10; /* 确保指示器在轮播内容之上 */
}

/* 单个指示器样式 */
.main-carousel-indicator {
    width: 12px; /* 宽度 */
    height: 12px; /* 高度 */
    border-radius: 1000%; /* 圆形 */
    background: rgba(255,255,255,0.5); /* 半透明白色背景 */
    border: none; /* 无边框 */
    cursor: pointer; /* 鼠标指针变为手形 */
    transition: background 0.3s ease; /* 背景色变化过渡效果 */
}

/* 活动状态的指示器样式 */
.main-carousel-indicator.active {
    background: white; /* 纯白色背景 */
}


/* 轮播图文字容器 */
.carousel-caption {
    position: absolute;
    top: 50%;
    left: 10%;
    transform: translateY(-50%);
    max-width: 100rem;/* 文字占比部位 */
    color: white;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.5);
    z-index: 5;
}

/* 保持原有文字样式 */
.carousel-caption h3 {
    font-size: 6rem;
    color: white !important; /* 覆盖原颜色 */
    margin-bottom: 1rem;
}

.carousel-caption span {
    font-size: 3.5rem;
    color: var(--blue) !important;
    display: block;
    padding: 1rem 0;
    line-height: 1.5;
}

.carousel-caption p {
    font-size: 1.5rem;
    color: #eee !important;
    padding: 1rem 0;
    line-height: 1.5;
    margin-bottom: 2rem;
}

/* 按钮样式调整 */
.carousel-caption .btn {
    background: var(--blue);
    color: white;
    border: none;
    border-radius: 5rem;
    font-size: 1.7rem;
    transition: all 0.3s;
    width: 150px; padding: 12px 0;
    display: inline-block;
    text-align: center;
    text-decoration: none;
    /* 通过百分比宽度（响应式） */
    /* width: 30%; 相对父元素宽度 */
    /* max-width: 150px; 最大宽度限制 */
    /* min-width: 100px; 最小宽度限制 */
}

.carousel-caption .btn:hover {
    background: #333;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}



@media (max-width: 768px) {
    .carousel-caption {
        left: 5%;
        right: 5%;
        text-align: center;
    }
    
    .carousel-caption h3 {
        font-size: 4rem;
    }
    
    .carousel-caption span {
        font-size: 2.5rem;
    }
}

@media (max-width: 480px) {
    .carousel-caption h3 {
        font-size: 3rem;
    }
    
    .carousel-caption span {
        font-size: 2rem;
    }
    
    .carousel-caption p {
        font-size: 1.2rem;
    }
}

/* .home .content{
    max-width: 50rem;
}

.home .content h3{
    font-size: 6rem;
    color:#333;
}

.home .content span{
    font-size: 3.5rem;
    color:var(--blue);
    padding:1rem 0;
    line-height: 1.5;
}

.home .content p{
    font-size: 1.5rem;
    color:#999;
    padding:1rem 0;
    line-height: 1.5;
}

/* 基础重置 */
/* 02.home */
/* .home {
    position: relative;  */
    /* 关键定位 */
    /* width: 100%;
    min-height: 100vh;
    height: 100vh;
    overflow: hidden;  */
    /* 防止内容溢出 */
    
    /* 背景图设置 */
    /* background: url(../images/home-bgyt1.jpg) no-repeat center center;
    background-size: contain;
    background-color: #02ad852a;  */
    /* 空白处填充背景色 */
    /* background-attachment: scroll;  */
    /* 允许随页面滚动 */
    
    /* 弹性布局居中内容 */
    /* display: flex;
    align-items: center;
    justify-content: center;
} */

/* 确保根元素无默认边距 */
/* html, body {
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
} */
/* 移动端优化（可选） */
/* @media (max-width: 768px) {
    .home {
        background-position: center;
        background-size: contain;
    }
} */

/* 01.home */
/* .home{
    display: flex;
    align-items: center;
    min-height: 100vh;
    background:url(../images/home-bg.jpg) no-repeat;
    background-size: cover;
    background-position: center;
} */

/* .home .content{
    max-width: 50rem;
}

.home .content h3{
    font-size: 6rem;
    color:#333;
}

.home .content span{
    font-size: 3.5rem;
    color:var(--blue);
    padding:1rem 0;
    line-height: 1.5;
}

.home .content p{
    font-size: 1.5rem;
    color:#999;
    padding:1rem 0;
    line-height: 1.5;
} */




.about .row{
    display: flex;
    align-items: center;
    gap:2rem;
    flex-wrap: wrap;
    padding:2rem 0;
    padding-bottom: 3rem;
}

.about .row .video-container{
    flex:1 1 40rem;
    position: relative;
}

.about .row .video-container video{
    width:100%;
    border:1.5rem solid #fff;
    border-radius: .5rem;
    box-shadow: 0 .5rem 1rem rgba(0,0,0,.1);
    height: 100%;
    object-fit: cover;
}

 /* 视频中间文字 */
/* .about .row .video-container h3{
    position: absolute;
    top:50%; transform: translateY(-50%);
    font-size: 3rem;
    background:#fff;
    width:100%;
    padding:1rem 2rem;
    text-align: center;
    mix-blend-mode: screen;
} */


.about .row .content{
    flex:1 1 40rem;
}

.about .row .content h3{
    font-size: 3rem;
    color:#333;
}

.about .row .content p{
    font-size: 1.5rem;
    color:#999;
    padding:.5rem 0;
    padding-top: 1rem;
    line-height: 1.5;
    overflow: visible; /* 允许内容溢出 */
    white-space: normal; /* 正常换行 */
    display: block; /* 确保块级显示 */
}

.icons-container{
    background:#eee;
    display: flex;
    flex-wrap: wrap;
    gap:1.5rem;
    padding-top: 5rem;
    padding-bottom: 5rem;
}

.icons-container .icons{
    background:#fff;
    border:.1rem solid rgba(0,0,0,.1);
    padding:2rem;
    display: flex;
    align-items: center;
    flex:1 1 25rem;
}

.icons-container .icons img{
    height:5rem;
    margin-right: 2rem;
}

.icons-container .icons h3{
    color:#e4d9aa; /* 修改颜色为浅黄色 */
    padding-bottom: .5rem;
    font-size: 1.5rem;
}

.icons-container .icons span{
    color:#555;
    font-size: 1.3rem;
}

.products .box-container{
    display: flex;
    flex-wrap: wrap;
    gap:1.5rem;
}

.products .box-container .box{
    flex:1 1 30rem;
    box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.1);
    border-radius: .5rem;
    border:.1rem solid rgba(0,0,0,.1);
    position: relative;    
}

.products .box-container .box .discount{
    position: absolute;
    top:1rem; left:1rem;
    padding:.7rem 1rem;
    font-size: 2rem;
    color:var(--blue);
    background:rgba(16, 167, 159, 0.05);
    z-index: 1;
    border-radius: .5rem;
}

.products .box-container .box .image{
    position: relative;
    text-align: center;
    padding-top: 2rem;
    overflow:hidden;
}

.products .box-container .box .image img{
    height:25rem;
}

.products .box-container .box:hover .image img{
    transform: scale(1.1);
}

.products .box-container .box .image .icons{
    position: absolute;
    bottom:-7rem; left:0; right:0;
    display: flex;
}

.products .box-container .box:hover .image .icons{
    bottom:0;
}

.products .box-container .box .image .icons a{
    height: 5rem;
    line-height: 5rem;
    font-size: 2rem;
    width:50%;
    background:var(--blue);
    color:#fff;
}

.products .box-container .box .image .icons .cart-btn{
    border-left: .1rem solid #fff7;
    border-right: .1rem solid #fff7;
    width:100%;
}

.products .box-container .box .image .icons a:hover{
    background:#333;
}

.products .box-container .box .content{
    padding:2rem;
    text-align: center;
}

.products .box-container .box .content h3{
    font-size: 2.5rem;
    color:#333;
}

.products .box-container .box .content .price{
    font-size: 2.5rem;
    color:var(--blue);
    font-weight: bolder;
    padding-top: 1rem;
}

.products .box-container .box .content .price span{
    font-size: 1.5rem;
    color:#999;
    font-weight: lighter;
    text-decoration: line-through;
}



.products .box-container{
    display: flex;
    flex-wrap: wrap;
    gap:1.5rem;
}

.products .box-container .box{
    flex:1 1 30rem;
    box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.1);
    border-radius: .5rem;
    border:.1rem solid rgba(0,0,0,.1);
    position: relative;    
}

.products .box-container .box .discount{
    position: absolute;
    top:1rem; left:1rem;
    padding:.7rem 1rem;
    font-size: 2rem;
    color:var(--blue);
    background:rgba(16, 167, 159, 0.05);
    z-index: 1;
    border-radius: .5rem;
}

.products .box-container .box .image{
    position: relative;
    text-align: center;
    padding-top: 2rem;
    overflow:hidden;
}

.products .box-container .box .image img{
    height:25rem;
}

.products .box-container .box:hover .image img{
    transform: scale(1.1);
}

.products .box-container .box .image .icons{
    position: absolute;
    bottom:-7rem; left:0; right:0;
    display: flex;
}

.products .box-container .box:hover .image .icons{
    bottom:0;
}

.products .box-container .box .image .icons a{
    height: 5rem;
    line-height: 5rem;
    font-size: 2rem;
    width:50%;
    background:var(--blue);
    color:#fff;
}

.products .box-container .box .image .icons .cart-btn{
    border-left: .1rem solid #fff7;
    border-right: .1rem solid #fff7;
    width:100%;
}

.products .box-container .box .image .icons a:hover{
    background:#333;
}

.products .box-container .box .content{
    padding:2rem;
    text-align: center;
}

.products .box-container .box .content h3{
    font-size: 2.5rem;
    color:#333;
}

.products .box-container .box .content .price{
    font-size: 2.5rem;
    color:var(--blue);
    font-weight: bolder;
    padding-top: 1rem;
}

.products .box-container .box .content .price span{
    font-size: 1.5rem;
    color:#999;
    font-weight: lighter;
    text-decoration: line-through;
}



/* section */

.image-carousel {
    text-align: center;
    padding: 50px 0;
    background-color: #e0ffe0; /* 修改背景颜色 */
}

.carousel-container {
    display: flex; /* 使用 flex 布局 */
    justify-content: space-around; /* 使图片均匀分布 */
    width: 100%; /* 使容器宽度占满父元素 */
    margin: 0 auto;
}

.carousel-item {
    min-width: 18%; /* 每张图片占据大约 18% 的宽度 */
    box-sizing: border-box;
    padding: 20px;
    text-align: center;
}

.carousel-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.carousel-item p {
    margin-top: 10px;
    font-size: 16px;
    color: #555;
}

/* 添加在CSS文件中,因为后续改进的原因导致只展示第三张图，现在增加这三部分，五张图平行展示*/
.image-carousel .carousel-container {
    overflow: visible !important; /* 覆盖隐藏设置 */
    position: static !important; /* 取消相对定位 */
    width: 100% !important;
    display: flex !important;
    justify-content: space-around !important;
    flex-wrap: wrap !important;
}

.image-carousel .carousel-track {
    display: flex !important;
    width: 100% !important;
    transform: none !important;
    justify-content: space-around !important;
}

.image-carousel .carousel-item {
    flex: 0 0 auto !important;
    min-width: 18% !important;
    position: static !important;
}


/* Carousel Controls */
.carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
    z-index: 10;
}

.carousel-control.prev {
    left: 10px;
}

.carousel-control.next {
    right: 10px;
}

.carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.8);
}



/* Info Section */
.info-section {
    text-align: center;
    padding: 50px 0;
    background-color: #f8f9fa;
}
/* 外层容器 */

.info-section .heading {
    color: var(--blue); /* 修改标题颜色为蓝色 */
}

.info-section .info-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 80%;
    margin: 0 auto;
}

/* 图片容器 */

/* 调整图片大小占比 */
.info-section .info-item.images-item {
    flex: 1; /* 图片部分占比 */
}

.info-section .info-item.logo-item {
    flex: 1; /* logo部分占比 */
}

.info-section .info-item.images-item img {
    max-width: 30%; 
    /* 每张图片占容器的30% */
    height: auto;
    border-radius: 8px;
    /* 设置了圆角 */
    margin: 0 5px;
    /* 间距 */
}
/* 图片样式 */


.Sales-volume {
    font-family: 'STCaiyun', sans-serif;
    font-size: 16px; /* 16磅在CSS中对应16px */
    font-weight: bold; /* 加粗 */
}


.review .box-container{
    display: flex;
    flex-wrap: wrap;
    gap:1.5rem;
}

.review .box-container .box{
    flex:1 1 30rem;
    box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.1);
    border-radius: .5rem;
    padding:3rem 2rem;
    position: relative;
    border:.1rem solid rgba(0,0,0,.1);
}

.review .box-container .box .fa-quote-right{
    position: absolute;
    bottom:3rem; right:3rem;
    font-size: 6rem;
    color:#eee;
}

.review .box-container .box .stars i{
    color:var(--blue);
    font-size: 2rem;
}

.review .box-container .box p{
    color:#999;
    font-size: 1.5rem;
    line-height: 1.5;
    padding-top: 2rem;
}

.review .box-container .box .user{
    display: flex;
    align-items: center;
    padding-top: 2rem;
}

.review .box-container .box .user img{
    height:6rem;
    width:6rem;
    border-radius: 50%;
    object-fit: cover;
    margin-right: 1rem;
}

.review .box-container .box .user h3{
    font-size: 2rem;
    color:#333;
}

.review .box-container .box .user span{
    font-size: 1.5rem;
    color:#999;
}



/* Industry Information Section 轮播图*/
.industry-info {
    text-align: center;
    padding: 50px 0;
    background-color: #f8f9fa;
}

.industry-info .carousel-container {
    position: relative;
    overflow: hidden;
    /* width: 80%; */
    width: 100%;
    /* margin: 0 auto; */
}

.industry-info .carousel-track {
    display: flex; /* 使图片在同一行 */
    /* transition: transform 0.5s ease-in-out;  */
    /* 添加过渡效果 */
    transition: transform 0.5s ease;
    /*width: 300%; */
    /* 设置轨道宽度为300%，以便容纳3张图片 */
    height: 100%;
    /* transform: translateX(0); */
     /* 初始位置 */
}

/* .industry-info .carousel-item {
    min-width: 100%;  */
    /* 每张图片占据100%的宽度 */
    /* box-sizing: border-box;
    padding: 20px;
    text-align: center;
} */
.carousel-item {
    flex: 0 0 100%;
    min-width: 100%;
}


.industry-info .carousel-item img {
    width: 1300px;
    height: 800px;
    border-radius: 8px;
    object-fit: contain; /* 确保图片按比例缩放 */
}

.industry-info .carousel-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(0, 0, 0, 0.3);
    color: #fff;
    border: none;
    padding: 10px;
    cursor: pointer;
    z-index: 10;
    font-size: 18px;
    margin: 0 20px;/* 左右位置 */
    border-radius: 50%; /* 完全圆形 */
    /* 或者使用以下值获得不同程度的圆角 */
    /* border-radius: 8px; */ /* 中等圆角 */
    /* border-radius: 4px; */ /* 轻微圆角 */
    width: 40px; /* 固定宽度 */
    height: 40px; /* 固定高度 */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease; /* 添加过渡效果 */
}

.industry-info .carousel-control.prev {
    left: 10px;
}

.industry-info .carousel-control.next {
    right: 10px;
}

.industry-info .carousel-control:hover {
    background-color: rgba(0, 0, 0, 0.8);
}




/* contact section styles */
.contact .row{
    display: flex;
    flex-wrap: wrap-reverse;
    gap:1.5rem;
    align-items: center;
}

.contact .row form{
    flex:1 1 40rem;
    padding:2rem 2.5rem;
    box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.1);
    border:.1rem solid rgba(0,0,0,.1);
    background: #fff;
    border-radius: .5rem;
}

.contact .row .image{
    flex:1 1 40rem;
}

.contact .row .image img{
    width: 100%;
}

.contact .row form .box{
    padding:1rem;
    font-size: 1.7rem;
    color:#333;
    text-transform: none;
    border:.1rem solid rgba(0,0,0,.1);
    border-radius: .5rem;
    margin:.7rem 0;
    width: 100%;
}

.contact .row form .box:focus{
    border-color: var(--blue);
}

.contact .row form textarea{
    height: 15rem;
    resize: none;
}

.contact .row {
    display: flex;
}

.contact .row > * {
    flex: 1;
    padding: 10px; 
    /* 可选：添加一些内边距 */
}


 
.contact .contact-info {
    color: var(--contact-text-color);
    font-size: var(--contact-font-size);
}

.contact .contact-info h3 {
    color: var(--contact-heading-color);
    font-size: var(--contact-heading-font-size);
    margin-bottom: 4rem; /* 添加一些间距 */
}

.contact .contact-info p {
    margin-bottom: 1.5rem; /* 添加一些间距 */
}









/* footer section styles */
/* .footer .box-container{
    display: flex;
    flex-wrap: wrap;
    gap:1.5rem;
}

.footer .box-container .box{
    flex:1 1 25rem;
}

.footer .box-container .box h3{
    color:#333;
    font-size: 2.5rem;
    padding:1rem 0;
}

.footer .box-container .box a{
    display: block;
    color:#666;
    font-size: 1.5rem;
    padding:1rem 0;
}

.footer .box-container .box a:hover{
    color:var(--blue);
    text-decoration: underline;
}

.footer .box-container .box  img{
    margin-top: 1rem;
}

.footer .credit{
    text-align: center;
    padding:1.5rem;
    margin-top: 1.5rem;
    padding-top: 2.5rem;
    font-size: 2rem;
    color:#333;
    border-top: .1rem solid rgba(0,0,0,.1);
    padding-bottom: 9rem;
}

.footer .credit span{
    color:var(--blue);
} */

/* 增加页脚容器底部内边距，为版权信息创造更多空间 */
/* .footer {
    padding-bottom: 3rem;
}

.footer .credit {
    text-align: center;
    padding: 1.5rem;
    margin-top: 3rem; 
    padding-top: 2.5rem;
    font-size: 2rem;
    color: #333;
    border-top: .1rem solid rgba(0,0,0,.1);
    padding-bottom: 1rem; 
} */














/* media queries  */
@media (max-width:991px){
    
    html{
        font-size: 55%;
    }

    header{
        padding:2rem;
    }

    section{
        padding:2rem;
    }

    .home{
        background-position: left;
    }

}

@media (max-width:768px){

    header .fa-bars{
        display: block;
    }

    header .navbar{
        position:absolute;
        top:100%; left:0; right:0;
        background:#eee;
        border-top: .1rem solid rgba(0,0,0,.1);
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    }

    header #toggler:checked ~ .navbar{
        clip-path:polygon(0 0, 100% 0, 100% 100%, 0% 100%);
    }

    header .navbar a{
        margin:1.5rem;
        padding:1.5rem;/* 调整间距 */
        background:#fff;
        width:48rem;
        /* 48products菜单框横宽度大小和其他菜单框一致 */
        border:.1rem solid rgba(0,0,0,.1);
        display: block;
    }
    

    .home .content h3{
        font-size: 5rem;
    }

    .home .content span{
        font-size: 2.5rem;
    }

    .icons-container .icons h3{
        font-size: 2rem;
    }
    
    .icons-container .icons span{
        font-size: 1.7rem;
    }
    
}

@media (max-width:450px){
    
    html{
        font-size: 50%;
    }

    .heading{
        font-size: 3rem;
    }

}







/* 搜索框 */ 
/* 工具容器 - 确保不影响原有布局 */
.utility-container {
    display: flex;
    align-items: center;
    gap: 5px; /* 控制搜索框和语言切换之间的距离 */
    position: relative;
  }
  
  /* 搜索框样式 */
  .search-container {
    position: relative;
    display: inline-block;
  }
  
  .search-input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    width: 200px;
    transition: width 0.3s;
  }
  
  .search-input:focus {
    outline: none;
    border-color: #4a90e2;
    width: 250px;
  }
  
  .search-button {
    position: absolute;
    right: 0;
    top: 0;
    height: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0 10px;
    color: #666;
  }
  
  .search-button:hover {
    color: #333;
  }
  
  .search-results {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    max-height: 300px;
    overflow-y: auto;
    background: white;
    border: 1px solid #ddd;
    border-top: none;
    border-radius: 0 0 4px 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    display: none;
    z-index: 1000;
  }
  
  .search-results a {
    display: block;
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
  }
  
  .search-results a:hover {
    background-color: #f5f5f5;
  }
  
  /* 语言切换样式 */
  .language-switcher {
    position: relative;
    display: inline-block;
  }
  
  .language-toggle {
    background: none;
    border: 1px solid #ddd;
    border-radius: 4px;
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 36px;
  }
  
  .language-toggle:hover {
    background-color: #f5f5f5;
  }
  
  .language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    width: 150px;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    z-index: 1000;
  }
  
  .language-dropdown a {
    display: block;
    padding: 8px 12px;
    color: #333;
    text-decoration: none;
  }
  
  .language-dropdown a:hover {
    background-color: #f5f5f5;
  }
  
  /* 显示下拉菜单 */
  .language-switcher:hover .language-dropdown {
    display: block;
  }

  /* 语言切换器激活状态 */
.language-switcher.active .language-dropdown {
    display: block;
}

/* 当前语言指示器 */
.current-language {
    font-size: 14px;
    /* 翻译键内的字母大小 */
    font-weight: bold;
}


/* 在CSS中添加RTL支持阿拉伯语 */
[lang="ar"] {
    direction: rtl;
    text-align: right;
}

.nav-item {
    min-width: 120px; /* 保证不同语言下的统一间距 德语和俄语的导航项可能较长*/
}




/* .language-toggle {
    width: auto;  */
    /* 改为自动宽度 */
    /* min-width: 40px;  */
    /* 保留最小宽度 */
    /* padding: 8px 12px;  */
    /* 确保有足够的内边距 */
    /* font-size: 20px;  */
    /* 增大字体大小 */
    /* display: flex;
    align-items: center;
    justify-content: center;
}

.current-language {
    font-size: inherit;  */
    /* 继承父元素字体大小 */
    /* display: inline-block;
} */





/* 分享按钮样式 */
.share-btn {
    padding: 10px 20px;
    background: #4fd6cf;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.3s;
  }
  
  .share-btn:hover {
    background: #37948e;
  }
  
  /* 分享模态框样式 */
  .share-modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: white;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    padding: 20px;
    z-index: 1000;
    width: 320px;
    max-width: 90%;
  }
  
  .share-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
  }
  
  .share-header h3 {
    margin: 0;
    font-size: 18px;
  }
  
  .close-btn {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #666;
  }
  
  .share-platforms {
    display: grid;
    grid-template-columns: repeat(2, 1fr);/* 改为每行显示2个 */
    gap: 15px;
  }
  
  .share-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border-radius: 8px;
    color: white;
    text-decoration: none;
    transition: transform 0.2s;
  }
  
  .share-icon:hover {
    transform: translateY(-3px);
  }
  
  .share-icon i {
    font-size: 24px;
    margin-bottom: 5px;
  }
  
  .share-icon span {
    font-size: 12px;
  }
  
  /* 各平台品牌色 */
  .facebook { background: #3b5998; }
  .twitter { background: #1da1f2; }
  .linkedin { background: #0077b5; }
  .whatsapp { background: #25d366; }
  .weibo { background: #e6162d; }
  
  /* 模态框遮罩 */
  .modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 999;
  }






/* 导航栏下拉菜单基础样式 */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-menu {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    background: #fff;
    min-width: 250px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1000;
    border-radius: 5px;
    padding: 10px 0;
}

/* 使用 active 类控制显示，而不是 hover */
.dropdown.active .dropdown-menu {
    display: block;
}

/* 导航栏下拉菜单项样式 */
.dropdown-item {
    position: relative; /* 确保子菜单正确定位 */
    padding: 5px 15px;
}

.dropdown-item > a {
    display: block;
    padding: 8px 0;
    color: #333;
    font-weight: bold;
    font-size: 1.6rem;
    text-decoration: none;
}

/* 子菜单样式 */
.submenu {
    display: none;
    border-left: 2px solid var(--blue);
    position: absolute;
    left: 100%;
    top: 0;
    background: #fff;
    min-width: 200px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.1);
    z-index: 1001;
    border-radius: 5px;
    padding: 10px 0;
}

.dropdown-item:hover .submenu {
    display: block;
}

.submenu a {
    display: block;
    padding: 6px 15px;
    color: #666;
    font-size: 1.4rem;
    text-decoration: none;
    transition: color 0.2s;
}

.submenu a:hover {
    color: var(--blue);
    background-color: #f8f9fa;
}

/* 移动设备上，需要调整下拉菜单的显示方式 */
@media (max-width: 768px) {
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background: #f5f5f5;
        max-height: 70vh; /* 限制最大高度 */
        overflow-y: auto; /* 允许滚动 */
    }

    .submenu {
        position: static;
        box-shadow: none;
        padding-left: 20px;
    }

    .dropdown.active .dropdown-menu {
        display: block;
    }
}












/* 右侧悬浮栏样式 */
/* 浮动工具栏样式 */
        .floating-contact-bar {
            position: fixed;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            background: #fff;
            box-shadow: 0 0 15px rgba(0,0,0,0.1);
            border-radius: 8px 0 0 8px;
            z-index: 9999;
        }

        .contact-icon {
            padding: 15px;
            color: #fff;
            text-align: center;
            position: relative;
            transition: all 0.3s;
            cursor: pointer;
            font-size: 20px;
        }

        .contact-icon:hover {
            transform: translateX(-5px);
        }

        /* 不同联系方式的背景色 */
        .email { background: #b4dbdb; }
        .phone { background:  #6eb8bb; }
        .whatsapp { background:  #83cbce;  }
        .wechat { background:  #b4dbdb; }

        /* 悬停提示框样式 */
        .contact-tooltip {
            position: absolute;
            right: 100%;
            top: 50%;
            transform: translateY(-50%);
            background: #333;
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 14px;
            white-space: nowrap;
            margin-right: 10px;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            pointer-events: none;
        }

        .contact-tooltip::after {
            content: "";
            position: absolute;
            left: 100%;
            top: 50%;
            transform: translateY(-50%);
            border-width: 5px;
            border-style: solid;
            border-color: transparent transparent transparent #333;
        }

        .contact-icon:hover .contact-tooltip {
            opacity: 1;
            visibility: visible;
        }

        /* 新增微信二维码悬停样式 */
        .wechat-qr-tooltip {
            position: absolute;
            right: 100%;
            top: 50%;
            transform: translateY(-50%);
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            width: 200px;
            text-align: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            margin-right: 15px;
            z-index: 10000;
        }

        .wechat-qr-tooltip::after {
            content: "";
            position: absolute;
            left: 100%;
            top: 50%;
            transform: translateY(-50%);
            border-width: 8px;
            border-style: solid;
            border-color: transparent transparent transparent white;
        }

        .wechat:hover .wechat-qr-tooltip {
            opacity: 1;
            visibility: visible;
        }

        .qr-code {
            width: 170px;
            height: 170px;
            margin: 0 auto;
            background: #f5f5f5;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qr-code img {
            max-width: 100%;
            max-height: 100%;
        }

        /* 响应式调整 */
        @media (max-width: 768px) {
            .floating-contact-bar {
                transform: translateY(-50%) scale(0.9);
            }
            
            .contact-icon {
                padding: 12px;
                font-size: 18px;
            }
            
            .wechat-qr-tooltip {
                width: 160px;
                margin-right: 10px;
            }
            
            .qr-code {
                width: 140px;
                height: 140px;
            }
        }
        /* 保留原有的模态框样式 */
        .contact-modal {
            display: none;
            position: fixed;
            z-index: 10000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.7);
        }

        .modal-content {
            background-color: #fefefe;
            margin: 15% auto;
            padding: 25px;
            border-radius: 8px;
            width: 300px;
            text-align: center;
            position: relative;
        }

        .modal-close {
            position: absolute;
            right: 15px;
            top: 10px;
            color: #aaa;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }

        .modal-title {
            margin-bottom: 15px;
            font-size: 18px;
            color: #333;
        }

        .phone-popup {
            padding: 15px;
            font-size: 18px;
            color: #333;
        }

        /* 新增WhatsApp二维码悬停样式 */
    .whatsapp-qr-tooltip {
        position: absolute;
        right: 100%;
        top: 50%;
        transform: translateY(-50%);
        background: white;
        padding: 15px;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        width: 200px;
        text-align: center;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s;
        margin-right: 15px;
        z-index: 10000;
    }

    .whatsapp-qr-tooltip::after {
        content: "";
        position: absolute;
        left: 100%;
        top: 50%;
        transform: translateY(-50%);
        border-width: 8px;
        border-style: solid;
        border-color: transparent transparent transparent white;
    }

    .whatsapp:hover .whatsapp-qr-tooltip {
        opacity: 1;
        visibility: visible;
    }
    
    /* 二维码容器样式 */
    .qr-code {
        width: 170px;
        height: 170px;
        margin: 0 auto;
        background: #f5f5f5;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .qr-code img {
        max-width: 100%;
        max-height: 100%;
    }

        @media (max-width: 768px) {
            .modal-content {
                width: 90%;
                margin: 30% auto;
            }
        }
        /* 移动设备下的二维码样式 */
        @media (max-width: 768px) {
    .whatsapp-qr-tooltip {
        width: 160px;
        margin-right: 10px;
    }
    
    .qr-code {
        width: 140px;
        height: 140px;
    }
}
/* 右侧悬浮栏样式end */



/* 确保评价内容完整显示 - 加强版 */
.review .box-container .box {
    display: flex;
    flex-direction: column;
    min-height: 350px;
    position: relative;
}

.review .box-container .box p {
    color: #999;
    font-size: 1.5rem;
    line-height: 1.5;
    padding-top: 2rem;
    overflow: visible;
    white-space: normal;
    display: block;
    height: auto;
    max-height: none;
    margin-bottom: 2rem;
    flex: 1 1 auto;
}

.review .box-container .box .stars {
    flex: 0 0 auto;
}

.review .box-container .box .user {
    flex: 0 0 auto;
    margin-top: auto;
}

.review .box-container .box .fa-quote-right {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    font-size: 6rem;
    color: #eee;
}











/* 纯CSS无限水平滚动 - 绝对能用 */
.horizontal-carousel {
    width: 100%;
    overflow: hidden;
    position: relative;
    background: #f0f1f0;
    padding: 60px 0;
}

.horizontal-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.horizontal-track {
    display: flex;
    width: max-content;
    animation: scrollHorizontal 40s linear infinite;
}

/* 鼠标悬停暂停 */
.horizontal-container:hover .horizontal-track {
    animation-play-state: paused;
}

.horizontal-item {
    flex: 0 0 auto;
    width: 260px; /*11张图片 260px: 每个图片项的宽度 width和margin两组图片衔接度刚好*/
    margin: 0 35px;/* 0 35px: 上下margin为0，左右margin为35px */
    text-align: center;
    transition: transform 0.3s ease;
}

.horizontal-item:hover {
    transform: translateY(-5px);
}

.horizontal-item img {
    width: 100%;
    height: 160px;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.horizontal-item p {
    margin-top: 12px;
    font-size: 16px;
    color: #333;
    font-weight: 600;
}

/* 无限滚动动画 */
@keyframes scrollHorizontal {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-220px * 5 - 25px * 10)); /* 移动第一组图片的距离 */
    }
}

/* 手动控制按钮 - 纯CSS实现 */
.horizontal-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    pointer-events: none; /* 允许点击穿透到图片 */
}

.horizontal-btn {
    pointer-events: all; /* 按钮可点击 */
    background: rgba(79, 214, 207, 0.9);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.horizontal-btn:hover {
    background: rgba(79, 214, 207, 1);
    transform: scale(1.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .horizontal-item {
        width: 180px;
        margin: 0 15px;
    }
    
    .horizontal-item img {
        height: 130px;
    }
    
    .horizontal-btn {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    @keyframes scrollHorizontal {
        0% {
            transform: translateX(0);
        }
        100% {
            transform: translateX(calc(-180px * 5 - 15px * 10));
        }
    }
}










/* 推荐商品 */
.product-recommendations {
    padding: 40px 20px;
    background-color: #f9f9f9;
    font-family: Arial, sans-serif;
}

.product-recommendations h2 {
    text-align: center;
    margin-bottom: 30px;
    color: #333;
    font-size: 28px;
    font-weight: bold;
}

.recommendation-container {
    max-width: 1200px;
    margin: 0 auto;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    justify-items: center;
}

.product-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
    width: 100%;
    max-width: 300px;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.product-image {
    height: 200px;
    overflow: hidden;
    background: transparent !important; /* 移除灰色背景 */
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.product-image img {
    max-width: 120%;
    max-height: 120%;
    object-fit: contain; /* 保持图片比例 */
    /* 或者使用 object-fit: cover; 来填充整个区域 */
}

/* 确保图片加载失败时没有占位符 */
.product-image img:not([src]) {
    display: none;
}

/* 如果图片加载失败，整个图片区域隐藏 */
.product-image:empty {
    display: none;
}

/* 或者给图片区域一个最小高度，但透明背景 */
.product-image {
    min-height: 200px;
    background: transparent;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f0f0f0;
    color: #999;
    font-size: 14px;
}

.product-info {
    padding: 20px;
    text-align: center;
}

.product-title {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 8px;
    color: #2c3e50;
    line-height: 1.3;
    height: 46px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
}

.product-subtitle {
    font-size: 14px;
    color: #7f8c8d;
    margin-bottom: 12px;
    line-height: 1.4;
    height: 40px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
}

.product-category {
    display: inline-block;
    background: linear-gradient(135deg, #c8dde2 0%, #42d6c2 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.loading {
    text-align: center;
    padding: 40px;
    color: #666;
    font-size: 16px;
    grid-column: 1 / -1;
}

.error-message {
    text-align: center;
    padding: 40px;
    color: #e74c3c;
    font-size: 16px;
    grid-column: 1 / -1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .product-recommendations {
        padding: 20px 15px;
    }
    
    .product-title {
        font-size: 16px;
        height: 42px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}




/* 专门针对证书logo的样式 */
.certificate-logo {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    transition: all 0.3s ease;
}

/* 桌面端适当限制最大宽度 */
@media (min-width: 769px) {
    .certificate-logo {
        max-width: 600px; /* 桌面端最大宽度 */
    }
}

/* 移动端优化 */
@media (max-width: 768px) {
    .certificate-logo {
        max-width: 100%;
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    
    .info-section .info-container {
        width: 100%;
    }
}


        /* 最大程度放大证书图片 */
        .info-section {
            padding: 40px 0; /* 增加section的内边距 */
        }

        .info-section .info-item.logo-item img {
            width: 100%; /* 几乎占满整个容器 */
            max-width: 1800px; /* 设置一个很大的最大宽度 */
            height: auto;
            display: block;
            margin: 0 auto;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1); /* 添加阴影增强视觉效果 */
        }

        /* 移动端全屏显示 */
        @media (max-width: 768px) {
            .info-section .info-item.logo-item img {
                width: 100%;
                max-width: none; /* 移除最大宽度限制 */
                padding: 0;
            }
            
            .info-section .info-container {
                width: 100%;
                padding: 0;
            }
            
            .info-section {
                padding: 30px 0;
            }
        }










/* 底部导航和脚底标 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
            /* padding-bottom: 300px;  */
            /* 为底部导航留出空间 */
        }
        
        .content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
        }
        
        h1 {
            text-align: center;
            margin-bottom: 30px;
            color: #8ee2e21f;
        }
        
        p {
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        /* 底部导航栏样式 */
        .footer {
            background-color: #8ee2e21f;
            color:  #7c8d99;
            padding: 30px 0 10px;
            /* position: fixed;
            bottom: 0;
            width: 100%; */
            /* box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1); */
        }
        
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
        }
        
        .footer-column {
            flex: 0 0 23%;
            margin-bottom: 10px;
            /* 底部链接与脚标距离 */
        }
        
        .footer-column h3 {
            color: #3498db;
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer-column ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-column li {
            margin-bottom: 10px;
        }
        
        .footer-column a {
            color: #7c8d99;
            text-decoration: none;
            transition: color 0.3s;
            display: block;
            padding: 3px 0;/* 链接内边距 */
            font-size: 16px; /* 添加链接文字大小 */
        }
        
        .footer-column a:hover {
            color: #3498db;
            transform: translateX(5px);
        }
        
        .contact-info li {
            display: flex;
            align-items: center;
            margin-bottom: 15px;/* 添加联系信息间距 */
            font-size: 16px; /* 添加联系信息文字大小 */
        }
        
        .contact-info i {
            margin-right: 10px;
            color: #3498db;
            width: 20px;
            text-align: center;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 2px;
            margin-top: 5px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #7c8d99;
            /* font-size: 5px  !important; */
        }
        
        .footer .footer-bottom p {
            font-size: 12px !important;
        }
        /* 公司信息样式 */
        .company-info {
            display: flex;
            flex-direction: column;
        }
        
        .company-logo {
            display: flex;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .logo-icon {
            width: 50px;
            height: 50px;
            background-color: #3498db;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            font-size: 24px;
            color: white;
        }
        
        .logo-text {
            font-size: 20px;
            font-weight: bold;
            color: #3498db;
        }
        
        .company-description {
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.5;
            color: #7c8d99;
        }
        
        .social-media {
            display: flex;
            gap: 15px;
        }
        
        .social-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgb(147, 186, 212);
            transition: all 0.3s;
        }
        
        .social-icon:hover {
            background-color: #85db34;
            color: white;
            transform: translateY(-3px);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .footer-column {
                flex: 0 0 48%;
            }
            
            /* body {
                padding-bottom: 400px;
            } */
        }
        
        @media (max-width: 768px) {
            .footer-column {
                flex: 0 0 100%;
            }
            
            .footer {
                padding: 30px 0 15px;
            }
            
            /* body {
                padding-bottom: 500px;
            } */
            
        }





        




        /* 证书展示区域样式 */
        .certificates-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 25px;
            max-width: 1600px;
            margin: 0 auto;
            padding: 20px;
        }

        .certificate-item {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            background: white;
            height: 350px;
            cursor: pointer;
        }

        .certificate-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
        }

        .certificate-image {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(45deg, #f8f9fa, #e9ecef);
            color: #666;
            font-weight: bold;
            font-size: 1.2rem;
            text-align: center;
            padding: 10px;
        }

        .certificate-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        .certificate-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(44, 62, 80, 0.95);
            color: white;
            padding: 20px;
            transform: translateY(100%);
            transition: transform 0.4s ease;
            max-height: 80%;
            overflow-y: auto;
            border-top-left-radius: 10px;
            border-top-right-radius: 10px;
        }

        .certificate-item:hover .certificate-info {
            transform: translateY(0);
        }

        .certificate-title {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #4fd6cf;
            font-weight: 600;
            text-align: center;
        }

        .certificate-content {
            font-size: 0.9rem;
            line-height: 1.4;
        }

        .certificate-content p {
            margin-bottom: 8px;
            font-size: 0.85rem;
        }

        .certificate-content strong {
            color: #4fd6cf;
        }

        /* 响应式设计 */
        @media (max-width: 1200px) {
            .certificates-container {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 900px) {
            .certificates-container {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .certificates-container {
                grid-template-columns: 1fr;
            }
            
            .certificate-item {
                height: 300px;
            }
        }









/* 左右翻动blog样式 */
/* Blog Slider Styles */
.news-slider {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 15px;
    margin: 30px 0;
}

.slider-container {
    display: flex;
    transition: transform 0.5s ease;
}

.news-item {
    min-width: 25%;
    padding: 20px;
    transition: transform 0.3s ease;
}

.news-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    overflow: hidden;
    height: 350px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
}

.card-image {
    height: 180px;
    background-size: cover;
    background-position: center;
    position: relative;
}

.card-image a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.card-content {
    padding: 60px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card-title {
    font-size: 2.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.card-desc {
    font-size: 1.2rem;
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
}

.card-tag {
    display: inline-block;
    background: var(--blue);
    color: rgb(165, 226, 218);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    align-self: flex-start;
}

.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(79, 214, 207, 0.8);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-btn:hover {
    background: rgba(79, 214, 207, 1);
    transform: translateY(-50%) scale(1.1);
}

.prev-btn {
    left: 15px;
}

.next-btn {
    right: 15px;
}

.slider-indicators {
    display: flex;
    justify-content: center;
    margin-top: 25px;
    gap: 10px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(79, 214, 207, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
}

.indicator.active {
    background: var(--blue);
    transform: scale(1.2);
}

/* Responsive Design for Blog Slider */
@media (max-width: 992px) {
    .news-item {
        min-width: 33.33%;
    }
}

@media (max-width: 768px) {
    .news-item {
        min-width: 50%;
    }
}

@media (max-width: 576px) {
    .news-item {
        min-width: 100%;
    }
    
    .nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .news-card {
        height: 320px;
    }
    
    .card-image {
        height: 150px;
    }
}       

/* 修改新闻卡片为50%比例 */
.news-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    overflow: hidden;
    height: 350px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* 图片区域 - 占50% */
.card-image {
    height: 210px; /* 350px的50% */
    background-size: cover;
    background-position: center;
    position: relative;
    flex-shrink: 0;
}

.card-image a {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

/* 内容区域 - 占50% */
.card-content {
    padding: 20px; /* 减少内边距 */
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 175px; /* 确保占50% */
}

.card-title {
    font-size: 1.8rem; /* 减小字体大小 */
    font-weight: 600;
    margin-bottom: 8px;
    color: #333;
    line-height: 1.3;
    height: 42px; /* 固定标题高度 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-desc {
    font-size: 1.3rem; /* 减小字体大小 */
    color: #666;
    line-height: 1.4;
    margin-bottom: 10px;
    height: 42px; /* 固定描述高度 */
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.card-tag {
    display: inline-block;
    background: var(--blue);
    color: white;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    align-self: flex-start;
    margin-top: auto; /* 推到底部 */
}

/* 响应式调整 */
@media (max-width: 576px) {
    .news-card {
        height: 320px;
    }
    
    .card-image {
        height: 160px; /* 320px的50% */
    }
    
    .card-content {
        min-height: 160px;
        padding: 15px;
    }
    
    .card-title {
        font-size: 1.4rem;
        height: 38px;
    }
    
    .card-desc {
        font-size: 0.9rem;
        height: 38px;
    }
}