/* 新增语言栏样式 */
.header-container {
    position: relative;
            z-index: 1001; /* 确保header容器在导航栏上方 */

}

.language-bar {
    background-color: #f5f5f5;
    padding: 5px 0;
    font-size: 0.8rem;
    border-bottom: 1px solid #e0e0e0;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: flex-end;
}

.language-list {
    display: flex;
    list-style: none;
}

.language-list li {
    margin-left: 15px;
    position: relative;
}

.language-list li:after {
    content: "|";
    margin-left: 15px;
    color: #ccc;
}

.language-list li:last-child:after {
    display: none;
}

.language-list a {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.language-list a:hover,
.language-list .active a {
    color: #0066cc;
    font-weight: bold;

}

        /* 基础样式 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Arial', sans-serif;
        }
        
        /* 页眉容器 */
        .header {
            background-color: #ffffff;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            padding: 2px 5%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            position: relative;
        }
        
        /* logo和公司名称区域 */
        .brand {
            display: flex;
            align-items: center;
            text-decoration: none;
        }
        
        .logo {
            height: 40px;
            width: auto;
            margin-right: 15px;
        }
        
        .company-name {
            color: #333;
            font-size: 1rem;
            font-weight: bold;
        }
        
        /* 导航栏 */
        .nav {
            display: flex;
            align-items: center;
        }
        
        .nav-list {
            display: flex;
            list-style: none;
        }
        
        .nav-item {
            margin-left: 30px;
        }
        
        .nav-link {
            color: #333;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.8rem;
            transition: color 0.3s;
        }
        
        .nav-link:hover {
            color: #0066cc;
        }
        
        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: #333;
        }
        
        /* 响应式设计 */
        @media (max-width: 768px) {
            .nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                flex-direction: column;
                align-items: flex-start;
                padding: 0 5%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.3s ease-out;
                box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
                z-index: 1000;
            }
            
            .nav.active {
                max-height: 500px;
                padding: 20px 5%;
                font-weight: bold;

            }
            
            .nav-list {
                flex-direction: column;
                width: 100%;
            }
            
            .nav-item {
                margin: 10px 0;
                width: 100%;
            }
            
            .menu-toggle {
                display: block;
                    z-index: 10; 

            }
        }
              /* WhatsApp Floating Button Styles */
        .whatsapp-float {
            position: fixed;
            width: 60px;
            height: 60px;
            bottom: 40px;
            right: 40px;
            background-color: #25D366;
            color: #FFF;
            border-radius: 50px;
            text-align: center;
            font-size: 30px;
            box-shadow: 2px 2px 3px #999;
            z-index: 100;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .whatsapp-float:hover {
            background-color: #128C7E;
            transform: scale(1.1);
            box-shadow: 2px 2px 10px #666;
        }
        
        .whatsapp-float i {
            margin-top: 5px;
        }
        
        /* Tooltip text */
        .whatsapp-float .tooltip-text {
            visibility: hidden;
            width: 120px;
            background-color: #555;
            color: #fff;
            text-align: center;
            border-radius: 6px;
            padding: 5px;
            position: absolute;
            z-index: 1;
            bottom: 125%;
            left: 50%;
            margin-left: -60px;
            opacity: 0;
            transition: opacity 0.3s;
            font-size: 14px;
        }
        
        .whatsapp-float:hover .tooltip-text {
            visibility: visible;
            opacity: 1;
        }
        
        /* For Font Awesome icon (you can replace with your own icon) */

        /* Mobile responsiveness */
        @media (max-width: 768px) {
            .whatsapp-float {
                width: 50px;
                height: 50px;
                bottom: 20px;
                right: 20px;
                font-size: 25px;
            }
        }
             @media (max-width: 768px) {
    .language-list {
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    
    .language-list li {
        margin: 5px 10px;
    }
    
    .language-list li:after {
        display: none;
    }
}