/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 100%;
   
    margin: 0 auto;
    padding: 0px;
}

/* 头部样式 */
.web_head {
   
   color: rgba(50, 51, 51, 1);
    
   transition: transform 0.3s ease;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.web_head .layouth {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height:80px;
        background: #fff;
    padding: 0.520833vw 5.22466%;
    margin: 0vw 0%;
}

.web_head .head_left {
  
    width: 16.66%;
}

.web_head .logo img {
    height: 107px;
    width: auto;
   
}

.web_head .head_center {
    flex: 1;
    text-align: center;
    width:75%;
}
.web_head .top{    background-color: rgb(36,115,182);   background-color: rgb(36,115,182);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    padding: 0vw 5.33618%;
    margin: 0vw 0%;}
.web_head .top .tp{display:flex;color:#fff;height:54px;line-height:54px;    justify-content: space-between;}

.web_head .head_right {
   
    text-align: right;
    color: rgba(255, 255, 255, 0.8);
}

/* 导航菜单样式 */
.web_head .head_nav {
    display: flex;
    
    position: relative;
    font-size: calc(var(--fontRatio, 1) * 20px);
}

.web_head .head_nav > li {
    position: relative;
    margin: 0 15px;
     min-width: 160px;
    height: 90px;
    line-height: 65px;
}
.web_head .head_nav > .active > a::after {
    width: 100%;
}
.web_head .head_nav > li > a {
    display: block;
    padding: 10px 20px;
    margin: 0 10px;
    position: relative;
}


.web_head .head_nav > li > a > em{
    font-style: normal;
}

.web_head .head_nav > li > a:hover {
    color: #2473b6;
}

.web_head .head_nav > li > a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #2473b6;
    transition: width 0.3s ease;
}

.web_head .head_nav > li > a:hover::after {
    width: 100%;
}

.web_head .nav-current > a {
    color: #2473b6;
}

.web_head .nav-current > a::after {
    width: 100%;
}

/* 下拉菜单样式 */
.web_head .head_nav li ul {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 200px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 100;
    white-space: nowrap; /* 防止内容换行 */
    max-width: 3000px; /* 设置最大宽度 */
    border-radius: 8px;
}

.web_head .head_nav li:hover > ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.web_head .head_nav li ul li {
    border-bottom: 1px solid #f1f1f1;
    overflow: hidden;
}

.web_head .head_nav li ul li:last-child {
    border-bottom: none;
}

.web_head .head_nav li ul a {
    display: block;
   height: 50px;
   line-height:50px;
    color: #333;
    padding: 0 20px;
    font-style: normal;
    font-weight: normal;
}
.web_head .head_nav li ul li em{font-style:normal;font-size: 16px;}
.web_head .head_nav li ul a:hover {
    background-color: #f8f9fa;
    color: #1a6fc4;
}

.web_head .head_nav li ul ul {
    left: 100%;
    top: 0;
    white-space: nowrap; /* 防止内容换行 */
    max-width: 3000px; /* 设置最大宽度 */
    border-radius: 8px;
}

/* 响应式设计 */
@media (max-width: 992px) {
   
}
 /* 多语言切换器样式 */
        .language-switcher {
            position: relative;
            display: inline-block;
            z-index: 1000;
        }
        
        .current-language {
            display: flex;
            align-items: center;
            /* padding: 12px 20px;*/
            background: rgba(255, 255, 255, 0.15);
            color: #333;
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
        }
        
        .current-language:hover {
            background: rgba(255, 255, 255, 0.25);
        }
        
        .flag-icon {
            width: 24px;
            height: 18px;
            margin-right: 10px;
            border-radius: 2px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            background: url(https://mpsww.oss-cn-hangzhou.aliyuncs.com/uploads/vbg01.png);
        }
        
        .language-name {
            margin-right: 8px;
        }
        
        .dropdown-arrow {
            transition: transform 0.3s ease;
        }
        
        .language-switcher:hover .dropdown-arrow {
            transform: rotate(180deg);
        }
        
        .language-dropdown {
            position: absolute;
            top: 100%;
            right: 0;
            width: 200px;
            background: white;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s ease;
            margin-top: 5px;
            overflow: hidden;
        }
        
        .language-switcher:hover .language-dropdown {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .language-option {
            display: flex;
            align-items: center;
            padding: 12px 15px;
            color: #333;
            text-decoration: none;
            transition: all 0.3s ease;
            border-bottom: 1px solid #f0f0f0;
        }
        
        .language-option:last-child {
            border-bottom: none;
        }
        
        .language-option:hover {
            background: #f8f9fa;
            color: #1a6fc4;
        }
        
        .language-option.active {
            background: #e9f7fe;
            color: #1a6fc4;
            font-weight: 500;
        }
        
        .language-option .flag-icon {
            margin-right: 12px;
            
        }
        
        .option-arrow {
            margin-left: auto;
            color: #999;
            font-size: 12px;
        }
        
        /* 国旗颜色 */
        .flag-us {
            background-position: -246px -112px; 
        }
        
    
    
        .flag-cn {
             background-position: -246px -70px;
   
        }
        
 
 
 
/* 内容区域样式 */

.swiper-container {
       height: 615px;        
            }
.pro {color:white;}  
.pro .tit{
   display: flex; 
   height: 160px;
   width: 100%;
   
   background-color: rgb(36,115,182);
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center center;
    padding: 3.125vw 5.22466% 0vw;
    margin: 0vw 0%;
   
}  
.pro .tit .rt{display:flex;width:50%;}
.pro .tit .lt{width:50%;}
.pro .tit .rt .div1{width:33.33333%;    text-align: center;}
.pro .tit .lt h1{    font-size: 36px;}

.pro .tit .rt .div1 span{
    color: rgb(204, 204, 204);
    font-family: 微软雅黑;
    font-weight: normal;
    text-decoration: none;
    font-style: normal;
    font-size: calc(var(--fontRatio, 1) * 16px);
}
.pro .tit .rt .div1 .top .zi{color: #fff;}
.pro .tit .rt .div1 .top .num{

    color: rgba(255, 255, 255, 1);
  
   
    font-family: 微软雅黑;
    font-weight: bold;
    text-decoration: none;
    font-style: normal;
    font-size: 36px;
}
.pro .tit .lt p{    font-size: 24px;}
.pro .plist{
   padding: 54px 0px; 
   background-color: rgb(36,115,182); 
   
}  
.pro .plist .item_title{font-weight:normal;font-size:16px;}
.pro .plist .swiper{
    
   width: 90%;
   margin: 0 auto;
   overflow: hidden; 
}  
.news .tit,.about .tit{
   display: flex; 
   height: 160px;
   width: 100%;
   background-color: rgb(247, 247, 250);
   background-size: cover;
   background-repeat: no-repeat;
   background-position: center center;
   padding: 3.125vw 5.22466% 0vw;
   margin: 0vw 0%;
   
}  
.pro .tit .lt h1,.news .tit .lt h1,.about .tit .lt h1{font-size: 36px;font-weight:normal;color:#212582;}  
.pro .tit .lt p,.news .tit .lt p,.about .tit .lt p{font-size: 24px;}
.pro .tit .lt h1{color:#fff;}


       .item_img {
            width: 100%;
            height: 300px;
            overflow: hidden;
            position: relative;
        }
        
        .item_img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .product_item:hover .item_img img {
            transform: scale(1.1);
        }
        .item_title
        {
    display: inline-block;        
  
    font-size: calc(var(--fontRatio, 1)*16px);
    line-height: 1.4;
    padding-top: 10px;
        }



.news .plist,.about .plist{
   padding: 54px 0px 0px 0px; 
   background-color: rgb(247, 247, 250); 
}
.about .plist .content{
    
   width: 90%;
   background-color: #fff;
   margin: 0 auto;
   overflow: hidden; 
   display: flex;
    
}
.about .plist .content .lt{width:40%;}
.about .plist .content .lt img{width:100%;height:100%;}
.about .plist .content .rt{width:60%;    padding: 1.5625vw 2.089864158829676% 1.5625vw 2.089864158829676%;}
.about .plist .content .rt p{ font-size:16px; color:rgb(50, 51, 51);text-align: justify;
    line-height: 2;    word-wrap: break-word;
   }
.about .rongyu{
    
    width: 90%;
   
    margin: 0 auto;
    overflow: hidden;
  
}
.news{padding-bottom:54px;}

.news .plist{display:flex;}
.news .plist .contents{
    width: 90%;
    margin: 0 auto;
    overflow: hidden;
}


     .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
            padding: 10px;
        }
        
        .article-card {
            overflow: hidden;
            transition: color .4s ease-out,background-color .4s ease-out;
           border-radius: 6px;
            padding: 20px;
            position: relative;
        }
        
        .article-card:hover {
            background: white;
              box-shadow: 0 0 22px rgba(0,0,0,.12);
                  border-radius: 4px;
            border-color: #e0e0e0;
            
        }
        
        .image-container {
            height: 300px;
            overflow: hidden;
            position: relative;
        }
        
        .article-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .article-card:hover .article-image {
            transform: scale(1.08);
        }
        
        .news .content {
            padding: 20px 0 0;
            transition: padding 0.3s ease;
        }
        
        .article-card:hover .content {
           
        }
        
        .article-title {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #2c3e50;
            font-weight: 600;
        }
        
        .article-description {
            color: #7f8c8d;
            line-height: 1.6;
            margin-bottom: 40px;
            font-size: 0.95rem;
        }
        
        .article-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 20px;
        }
        
        .category {
            padding: 5px 12px;
            border: 1px solid #e0e0e0;
            color: #7f8c8d;
            font-size: 0.85rem;
            background-color: #f9f9f9;
        }
        
        .arrow-link {
            display: flex;
            align-items: center;
            color: #3498db;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.9rem;
        }
        
        .arrow-link span {
            margin-right: 5px;
        }
        
        .arrow-link:hover {
            color: #2980b9;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 576px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
            
            h1 {
                font-size: 2rem;
            }
        }

 .slider-container {
            width: 100%;
           
            overflow: hidden;
            position: relative;
            margin: 20px 0;
            padding: 20px 0;
        }
        
        .slider-track {
            display: flex;
            width: calc(250px * 10); /* 5 original + 5 duplicated */
            animation: scroll 20s linear infinite;
        }
        
        .slider-container:hover .slider-track {
            animation-play-state: paused;
        }
        
        .slider-item {
    width: 15%;
    /* height: 300px; */
    margin: 0 10px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    position: relative;
    flex-shrink: 0;
}
        
        .slider-item:hover {
            transform: translateY(-10px) scale(1.03);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.25);
        }
        
        .slider-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        
        .image-caption {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
            color: white;
            padding: 20px 15px 15px;
            transform: translateY(5px);
            opacity: 0;
            transition: all 0.3s ease;
        }
        
        .slider-item:hover .image-caption {
            transform: translateY(0);
            opacity: 1;
        }
        
        .caption-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 5px;
        }
        
        .caption-desc {
            font-size: 0.9rem;
            opacity: 0.9;
        }
        
        .controls {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }
        
        .control-btn {
            background: #3498db;
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s;
            box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
        }
        
        .control-btn:hover {
            background: #2980b9;
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(52, 152, 219, 0.4);
        }
        
        .control-btn:active {
            transform: translateY(0);
        }
        
        .footer {
            margin-top: 60px;
            text-align: center;
            color: #7f8c8d;
            font-size: 0.9rem;
        }
        
        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(calc(-250px * 5));
            }
        }
        
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            
            .description {
                font-size: 1.1rem;
            }
            
            .slider-item {
                width: 200px;
                height: 270px;
            }
        }
        
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            
            .description {
                font-size: 1rem;
            }
            
            .slider-item {
                width: 180px;
                height: 240px;
                margin: 0 10px;
            }
            
            .control-btn {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

            .slide-content h2 {
                font-size: 2rem;
            }
            
            .about-content {
                flex-direction: column;
            }
        }
        
        @media (max-width: 768px) {
            .swiper-container {
                height: 300px;
            }
            
            .slide-content h2 {
                font-size: 1.5rem;
            }
            
            .slide-content p {
                font-size: 1rem;
            }
            
            .section-title h2 {
                font-size: 1.8rem;
            }
        }
        
 .categoriesx h2 {display:flex;align-items: center;}
.categoriesx h2 img{width:50px;height:50px;margin-right:15px;}       
        
/* 页脚样式 */
footer {
    background-color: #000000;
    color: #999;
    text-align: center;
}
footer .containerf{padding:20px 0px;font-size:12px;}


  .container2{border-top:20px solid #2473b6;    padding: 3.125vw 5.22466% 1.04167vw;color:#fff;    background-color: rgb(36,115,182);}
       .container2 .box  h1{font-size:20px;}
       .container2 .box  dt b{font-size:18px;}
       .container2 .box  dd{font-size:16px;}
       .container2 .div1 {text-align:left;}
       .container2 .div1  p,.container2 .box  dt,.container2 .box  dd {line-height:40px;height:40px;}
       .container2 .box p span,{font-size:16px;}
       .container2 .box{display:flex;    justify-content: space-between;}
       .container2 .box p{font-size:14px;}
       .kf{
    border-radius: 19px;
    background: rgba(238, 123, 4, 1);
    border-width: 0px;
    border-color: #000;
    border-style: solid;padding: 10px;
    color: #fff !important;
    font-size: 14px;
       }


/* 多语言切换样式 */
.language-switcher {
    display: inline-block;
    padding: 8px 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-switcher:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}


/* 分页 */

.page_bar {
    position: relative;
    line-height: 31px;
    height: 33px;
    margin: 50px 0 20px;
    text-align: center;
    font-size: 12px
}

.page_bar a,.page_bar span {
    position: relative;
    display: inline-block;
    vertical-align: top;
    min-width: 33px;
    padding: 0 5px;
    border: 1px solid #ccc;
    margin: 0 0 0 8px;
    text-align: center;
    border-radius: 3px;
    filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr='#fefefe',endColorStr='#e3e3e3',gradientType='0');
    background: -moz-linear-gradient(top,#fefefe,#e3e3e3);
    background: -o-linear-gradient(top,#fefefe,#e3e3e3);
    background: -webkit-gradient(linear,0% 0%,0% 100%,from(#fefefe),to(#e3e3e3))
}

.page_bar a.current,.page_bar a:hover {
    color: #FFF;
    background: #333333;
    border-color: #333333
}



.wz {
  width:90%;
            margin: 0 auto;
            padding: 20px;
    
}
 .mainbox {
            display: flex;
          width:90%;
            margin: 0 auto;
            background: white;
           
            overflow: hidden;
        }
   /* 左侧分类样式 */
        .categoriesx {
            width: 250px;
           border: 1px solid rgba(222, 222, 222, 1);
            padding: 25px 0;
            flex-shrink: 0;
        }
        
        .categoriesx h2 {
            padding: 0 25px 15px;
            font-size: 18px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
           
        }
        
        .category-list {
            list-style: none;
        }
        
        .category-item {
            padding: 12px 25px;
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            align-items: center;
            border-bottom: 1px dashed rgba(222, 222, 222, 1);
        }
        .category-list .category-item:first-child{
             border-top: 1px dashed rgba(222, 222, 222, 1);
        }
        .category-item:hover {
            background: rgba(36,115,182);
            color: #fff;
        }
        
        .category-item.active {
            background: rgba(36,115,182);
            position: relative;
            color: #fff;
        }
        
       
        
        .category-icon {
            margin-right: 10px;
            font-size: 18px;
        }
        
        /* 右侧产品样式 */
        .products {
            flex: 1;
            padding: 25px;
            border: 1px solid rgba(222, 222, 222, 1);
            border-left: none;
        }
        
        .products-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 25px;
        }
        
        .products-header h2 {
            font-size: 1.8rem;
            color: #2c3e50;
        }
        
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        
        .product-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.12);
        }
        
        .product-image {
            height: 180px;
            overflow: hidden;
        }
        
        .product-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .product-card:hover .product-image img {
            transform: scale(1.05);
        }
        
        .product-content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        
        .product-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #2c3e50;
        }
        
        .product-description {
            color: #7f8c8d;
            margin-bottom: 20px;
            flex: 1;
        }
        
        .product-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: auto;
        }
        
        .product-category {
            background: #3498db;
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
        }
        
        .product-link {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: #2c3e50;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .product-link:hover {
            background: #3498db;
            transform: rotate(-45deg);
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .products-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .container {
                flex-direction: column;
            }
            
            .categoriesx {
                width: 100%;
                padding: 15px;
            }
            
            .category-list {
                display: flex;
                overflow-x: auto;
                padding-bottom: 10px;
            }
            
            .category-item {
                white-space: nowrap;
            }
            
            .products-grid {
                grid-template-columns: 1fr;
            }
        }
        
.container2 dd a{color:#fff !important;}    


               /* 按钮样式 */
        .submit_btn {
            background: linear-gradient(to bottom, #2473b6, #153888);
            color: white;
            border: none;
            border-radius: 8px;
            height: 50px !important;
            line-height: 50px !important;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px rgba(30, 80, 174, 0.25);
            display: inline-block;
            width: 100%;
            letter-spacing: 0.5px;
            text-transform: none;
            position: relative;
            overflow: hidden;
        }
        
        .submit_btn:hover {
              background-color: #4a74d0 !important; /* 变浅的颜色 */
           
            transform: translateY(-2px);
            box-shadow: 0 7px 14px rgba(30, 80, 174, 0.3);
        }
        
        .submit_btn:active {
            transform: translateY(1px);
            box-shadow: 0 2px 4px rgba(30, 80, 174, 0.3);
        }
        
        .submit_btn::after {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                90deg,
                transparent,
                rgba(255, 255, 255, 0.2),
                transparent
            );
            transition: 0.5s;
        }
        
        .submit_btn:hover::after {
            left: 100%;
        }
        
        
        /* 美观居中的按钮样式 */
        .container .button-container , .rongyu .button-container , .news .button-container {
            display: flex;
            justify-content: center;
            margin-top: 20px;
            padding: 10px 0;
        }
        
        .container  .toggle-btn,.rongyu  .toggle-btn,.news .toggle-btn {
            color: #fff;
            background: linear-gradient(135deg, #3469bf,rgb(36,115,182) );
            border: none;
            border-radius: 30px;
            padding: 12px 28px;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
            transition: all 0.3s ease;
            min-width: 160px;
        }
        
        .container .toggle-btn:hover ,.rongyu .toggle-btn:hover,.news .toggle-btn:hover {
            background: linear-gradient(135deg, #3b82f6, #1a56db);
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(59, 130, 246, 0.4);
        }
        
        .container .toggle-btn:active ,.rongyu .toggle-btn:active ,.news .toggle-btn:active {
            transform: translateY(0);
        }
        
        .container .toggle-btn.expanded i ,.rongyu .toggle-btn.expanded i ,.news .toggle-btn.expanded i {
            transform: rotate(180deg);
        }
        
        .container .toggle-btn i ,.rongyu .toggle-btn i ,.news .toggle-btn i {
            transition: transform 0.4s ease;
            font-size: 14px;
        }
        
          .certificate-wall {
            background: white;
            border-radius: 15px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            padding: 30px;
            overflow: hidden;
            position: relative;
        }
        
        .certificate-container {
            overflow: hidden;
            position: relative;
            padding: 20px 0;
        }
        
        .certificate-slide {
            display: flex;
            transition: transform 0.5s ease;
        }
        
        .certificate-item {
            flex: 0 0 auto;
            width: 300px;
            margin: 0 15px;
            background: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            border: 1px solid #e9ecef;
        }
        
        .certificate-item:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.15);
        }
        
        .certificate-img {
            height: 220px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(to bottom right, #f8f9fa, #e9ecef);
            position: relative;
        }
        
        .certificate-img:before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect x="0" y="0" width="100" height="100" fill="none" stroke="%23dee2e6" stroke-width="2" stroke-dasharray="10,10"/></svg>');
            background-size: 20px 20px;
            opacity: 0.5;
            z-index: 0;
        }
        
        .certificate-img img {
            max-width: 85%;
            max-height: 190px;
            object-fit: contain;
            position: relative;
            z-index: 1;
            border-radius: 5px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        
        .certificate-item:hover .certificate-img img {
            transform: scale(1.05);
        }
        
        .certificate-title {
            padding: 20px;
            text-align: center;
            font-size: 1.3rem;
            font-weight: 600;
            color: #2c3e50;
            background: #f8f9fa;
            border-top: 1px solid #e9ecef;
            transition: background 0.3s ease;
        }
        
        .certificate-item:hover .certificate-title {
            background: #3498db;
            color: white;
        }
        
      
            /* 平板样式 - 每行显示4个 */
        @media (min-width: 768px) and (max-width: 1023px) {
            .certificate-item {
                width: calc(25% - 30px); /* 平板：每行显示4个 */
            }
        }
        @media (max-width: 767px) {
           
            
            .certificate-img {
                height: 160px;
            }
            
            .certificate-title {
                padding: 15px;
                font-size: 1.1rem;
            }
        }