.sevebanner{
    width: 100%;
    height: 6.55rem;
    background: url("https://img.key-iot.com/%E7%9F%A2%E9%87%8F%E6%99%BA%E8%83%BD%E5%AF%B9%E8%B1%A1%20%281%29.png") no-repeat;
    background-size:contain;
}

.serves-container {
            display: flex;
            width: 16.2rem; /* 1920px */
            min-height: 9.6rem; /* 960px */
            margin: 0 auto;
            /*background-color: #fff;*/
            /*box-shadow: 0 0.02rem 0.1rem rgba(0,0,0,0.1);*/
        }
        
        /* 左侧导航区 */
        .serves-sidebar {
            width: 3.28rem; /* 328px */
            background-color: #fff;
            border-right: 0.01rem solid #eaeaea;
        }
        
        /* 主菜单项 */
        .serves-main-tab {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 0.4rem;
            height: 0.8rem; /* 80px */
            font-size: 0.16rem; /* 16px */
            color: #333;
            cursor: pointer;
            position: relative;
        }
        
        .serves-main-tab.active {
            color: #19D37D;
            background-color: #f0faf6;
        }
        
        .serves-main-tab.active::before {
            content: "";
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 0.04rem; /* 4px */
            background-color: #19D37D;
        }
        
        .serves-tab-icon {
            color: #19D37D;
            font-size: 0.14rem; /* 14px */
            transition: transform 0.2s;
        }
        
        .serves-main-tab.active .serves-tab-icon {
            transform: rotate(90deg);
        }
        
        /* 分割线 */
        .serves-divider {
            height: 0.02rem; /* 2px */
            background: linear-gradient(90deg, #19D47D, #1DB49D);
            margin: 0 0.4rem;
        }
        
        /* 二级菜单 */
        .serves-submenu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            
        }
        
        .serves-main-tab.active + .serves-submenu {
            max-height: 2.4rem; /* 240px */
        }
        
        .serves-submenu-item {
            padding: 0.2rem 0.4rem 0.2rem 0.8rem;
            font-size: 0.14rem; /* 14px */
            color: #666;
            cursor: pointer;
            transition: all 0.2s;
        }
        
        .serves-submenu-item:hover {
            background-color: #f0f0f0;
        }
        
        .serves-submenu-item.active {
            color: #19D37D;
            background-color: #e8f8f1;
        }
        
        /* 右侧内容区 */
        .serves-content {
            flex: 1;
            padding: 0.4rem;
        }
        
        /* 文档列表 - 所有内容在一行 */
        .serves-document-list {
            width: 100%;
        }
        
        .serves-document-item {
            display: flex;
            align-items: center;
            padding: 0.1rem 0;
            border-bottom: 0.01rem solid #f0f0f0;
        }
        
        .serves-document-name {
            width: 4rem; /* 800px */
            font-size: 0.16rem; /* 16px */
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        
        .serves-document-version {
            width: 1rem; /* 300px */
            font-size: 0.14rem; /* 14px */
            color: #666;
        }
        
        .serves-document-date {
            width: 2rem; /* 300px */
            font-size: 0.14rem; /* 14px */
            color: #666;
        }
        
        .serves-download-btn {
            width: 2rem; /* 200px */
            text-align: right;
        }
        
        .serves-download-btn a {
            display: inline-block;
            padding: 0.1rem 0.2rem;
            background-color: #19D37D;
            color: #fff;
            border-radius: 0.03rem;
            font-size: 0.14rem; /* 14px */
            text-decoration: none;
        }
        
        /* 服务支持网格 */
        .serves-support-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0.4rem;
        }
        
        .serves-support-item {
            background-color: #f9f9f9;
            padding: 0.6rem;
            text-align: center;
            border-radius: 0.04rem;
            font-size: 0.16rem; /* 16px */
        }
        
        /* 常见问题 */
        .serves-faq-item {
            margin-bottom: 0.2rem;
            border: 0.01rem solid #f0f0f0;
            border-radius: 0.04rem;
            overflow: hidden;
        }
        
        .serves-faq-question {
            padding: 0.3rem;
            background-color: #f9f9f9;
            cursor: pointer;
            font-size: 0.16rem; /* 16px */
        }
        
        .serves-faq-answer {
            padding: 0.3rem;
            background-color: #fff;
            font-size: 0.14rem; /* 14px */
            display: none;
        }
        
        .serves-faq-item.active .serves-faq-answer {
            display: block;
        }
        
        /* 内容区域默认隐藏 */
        .serves-tab-content {
            display: none;
        }
        
        .serves-tab-content.active {
            display: block;
        }
        .servegreenline{
           width: 12rem;
            height: 0.01rem;
            background: linear-gradient(90deg, #19D47D, #1DB49D);
        }
 .serves-support-gridtopcontent{
     width: 12rem;
     display: flex;
     justify-content: space-between;
     margin-top: 0.5rem;
 }       

.serves-support-gridtopcontent-item1{
    width:2.2rem;
    height:1.8rem ;
    background: url("https://img.key-iot.com/fuwu1.png") no-repeat;
    
    background-size: 100%;
}

.serves-support-gridtopcontent-item2{
    width:2.2rem;
    height:1.8rem ;
    background: url("https://img.key-iot.com/fuwu2.png") no-repeat;
    background-size: 100%;
}
.serves-support-gridtopcontent-item3{
    width:2.2rem;
    height:1.8rem ;
    background: url("https://img.key-iot.com/fuwu3.png") no-repeat;
   background-size: 100%;
}
.serves-support-gridtopcontent-item4{
    width:2.2rem;
    height:1.8rem ;
    background: url("https://img.key-iot.com/fuwu4.png") no-repeat;
    background-size: 100%;
}
.serves-support-gridtopcontent-item5{
    width:2.2rem;
    height:1.8rem ;
    background: url("https://img.key-iot.com/fuwu5.png") no-repeat;
    background-size: 100%;
}
.serves-support-gridtopcontent-item1 p{
     line-height:0.25rem ;
    text-align: center;
   padding-top: 0.8rem;
}
.serves-support-gridtopcontent-item2 p{
     line-height:0.25rem ;
    text-align: center;
   padding-top: 0.8rem;
}
.serves-support-gridtopcontent-item3 p{
     line-height:0.25rem ;
    text-align: center;
   padding-top: 0.9rem;
}
.serves-support-gridtopcontent-item4 p{
     line-height:0.25rem ;
    text-align: center;
   padding-top: 0.8rem;
}
.serves-support-gridtopcontent-item5 p{
     line-height:0.25rem ;
    text-align: center;
   padding-top: 0.9rem;
}
.shouhoucontent{
    width:12rem;
    display:flex;
    justify-content: space-between;
    margin-top:0.6rem;
     margin-bottom: 2rem;
    
}
.shouhoucontent-item{
    width: 3.6rem;
    height: 4.6rem;
    display: flex;
    flex-direction:column;
    
}
.shouhoucontent-itembottomtitle{
    padding-left: 0.4rem;
    font-size:0.18rem;
    line-height: 0.35rem;
    margin-top: 0.4rem;
}
.shouhoucontent-itembottomdes{
     padding-left: 0.4rem;
     color: #AFAFAF;
      font-size:0.15rem;
      line-height: 0.27rem;
     
}