.container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
            text-align: center;
        }
        
        /* 顶部红色导航条 */
        .top-banner {
            background-color:#e62129 ;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .device-nav {
            display: flex;
            justify-content: center;
        }
        
        .device-nav a {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-weight: 600;
            font-size: 20px;
            letter-spacing: 1px;
            padding: 10px 20px;
            transition: all 0.3s ease;
            position: relative;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
        }
        
        .device-nav a:hover,
        .device-nav a.active {
            background-color: rgba(255, 255, 255, 1);
            color: #363535;
            text-shadow: 0 0 10px rgba(255,255,255,0.7);
        }
        
        .device-nav a::after {
            content: '';
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: #fff;
            transition: all 0.3s ease;
            border-radius: 3px;
        }
        
        .device-nav a.active::after,
        .device-nav a:hover::after {
            width: 90%;
        }
        
        /* 内容区容器 */
        .content-container {
            position: relative;
            width: 100%;
            min-height: 600px;
            overflow: hidden;
            border-radius: 12px;
        }
        
        /* 设备内容块 */
        .device-content {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            display: flex;
            gap: 30px;
            transform: translateX(100%);
            opacity: 0;
            transition: none;
        }
        
        .device-content.active {
            transform: translateX(0);
            opacity: 1;
            transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
        }
        
        .device-content.active ~ .device-content {
            transform: translateX(-100%);
        }
        
        /* 设备展示区域 */
        .device-display {
            flex: 0 0 30%;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .device-img-container {
            position: relative;
            width: 100%;
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .device-img-container img{
            max-height: 500px;
            width: auto;
        }
        
        
        /* 设备规格区域 */
        .specifications {
            flex: 1;
            background: rgba(245, 247, 250, 0.5);
            border-radius: 12px;
            box-shadow: 0 8px 16px rgba(0,0,0,0.05);
        }
        
           .container-jie {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        /* 头部区域 */
        .k3000-tit {
            
            padding: 40px 0;
            margin-left:5%;
            text-align: left;
        }
        
        .k3000-tit b {
            font-size: 2.0rem;
            font-weight: bold;
            margin-bottom: 10px;
            letter-spacing: 2px;
        }
        
        .k3000-tit .specs {
            font-size: 1.4rem;
            color: #e60012;
            font-weight: 500;
        }
        
        /* 选项卡区域 */
        .features {
            position: relative;
            margin: 40px 0;
            min-height: 280px;
        }
        
        .feature-tabs {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        .feature-he{
          display: flex;
    flex-direction: column;
    align-items: center;  
        }
        
        .feature-tab {
            width: 80px;
            height: 80px;
            background: #fff;
            border: 2px solid #e60012;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .feature-tab:hover {
            background: #e60012;
            transform: translateY(-5px);
        }
        
        .feature-tab:hover i {
            color: #fff;
        }
        
        .feature-tab:hover .feature-title {
            color: #fff;
        }
        
        .feature-tab i {
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: #e60012;
            transition: all 0.3s ease;
        }
        
        .feature-title {
            font-weight: bold;
            font-size: 1rem;
            color: #000;
            text-align: center;
            padding: 0 10px;
            transition: all 0.3s ease;
        }
        
        .feature-content {
            background-color: #fff;
            border-radius: 100vw;
            padding: 3px 5px;
            width: 90%;
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .feature-desc {
    display: flex; /* 新增：启用flex布局 */
    align-items: center; /* 新增：垂直居中子元素 */
}

.desctit {
    /* 移除float: left属性 */
}
        
        .k3000-img{
            width: 20%;
            aspect-ratio:1/1;
    border-radius: 50%; /* 圆形 */
    overflow: hidden; /* 隐藏溢出的图片部分 */
        }
        
        
        .k3000-ys{
            width: 74%;
            margin-left: 5%;
            text-align: left;
        }
        
        .feature-desc {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 1;
            transition: opacity 0.5s ease;
        }
        
        .feature-desc.hidden {
            display: none;
            opacity: 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .feature-tabs {
                gap: 15px;
            }
            
            .feature-tab {
                width: 110px;
                height: 110px;
            }
            
            .info-section {
                flex-direction: column;
                gap: 30px;
            }
        
        
        /* 响应式设计 */
        @media (max-width: 992px) {
            .device-nav {
                gap: 20px;
            }
            
            .device-nav a {
                font-size: 18px;
                padding: 8px 15px;
            }
            
            .device-content {
                flex-direction: column;
            }
            
            .device-display {
                height: 300px;
            }
        }
        
        @media (max-width: 768px) {
           
            .device-nav {
                gap: 10px;
                flex-wrap: wrap;
            }
            
            .device-nav a {
                font-size: 16px;
            }
            
            
        }
        
        /* 动画效果 */
        @keyframes slideIn {
            from {
                transform: translateX(100%);
                opacity: 0;
            }
            to {
                transform: translateX(0);
                opacity: 1;
            }
        }
        
        @keyframes slideOut {
            from {
                transform: translateX(0);
                opacity: 1;
            }
            to {
                transform: translateX(-100%);
                opacity: 0;
            }
        }