:root {
            --float-bar-width: 70px;
            --float-bar-bg: #414247;
            --float-item-size: 50px;
            --float-item-margin: 15px;
            --float-item-color: white;
            --float-item-hover-color: #2c3e50;
        }


        /* WhatsApp聊天窗口样式 */
        #whatsapp-chat {
        position: fixed;
        bottom: 17%;
        right: 38px;
        width: 300px;
        background: white;
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(0,0,0,0.2);
        z-index: 1000;
        display: none; /* 初始隐藏 */
        }
        
        .chat-header {
        background: #25D366;
        padding: 15px;
        border-top-left-radius: 10px;
        border-top-right-radius: 10px;
        color: white;
        font-weight: bold;
        }
        
        .chat-body {
        padding: 15px;
        }
        
        .chat-footer {
        padding: 10px;
        text-align: center;
        border-top: 1px solid #eee;
        }
        
        .whatsapp-btn {
        background: #25D366;
        color: white;
        padding: 10px 20px;
        text-decoration: none;
        border-radius: 5px;
        display: inline-block;
        font-weight: bold;
        }

        .foot_Ttop{
            position: relative;
        }
        .woxxw{
            position: absolute;
            right: 0;
            top: 35px;
            display: flex;
            align-items: center;
            column-gap: 10px;
        }
        .crfont{
            width: 30px;
        }
        .crfont img{
            width: 100%;
            border-radius: 100%;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
            margin-top: 30px;
        }

        .card {
            background: rgba(255, 255, 255, 0.92);
            border-radius: 15px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
        }

        .card h2 {
            color: #2c3e50;
            margin-bottom: 15px;
            border-bottom: 2px solid #414247;
            padding-bottom: 10px;
        }

        .card p {
            color: #34495e;
            margin-bottom: 15px;
        }

        /* 浮动栏样式 */
        .float-bar {
            position: fixed;
            bottom: 10%;
            right: 20px;
            /* transform: translateY(-50%); */
            width: var(--float-bar-width);
            /* background: var(--float-bar-bg); */
            border-radius: 35px;
            display: flex;
            flex-direction: column;
            align-items: center;
            /* box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2); */
            z-index: 1000;
            transition: all 0.4s ease;
        }

        .float-item {
            width: var(--float-item-size);
            height: var(--float-item-size);
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            /* margin: var(--float-item-margin) 0; */
            color: var(--float-bar-bg);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
        }
        .float-item a{
            display: block;
            width: 100%;
            height: 100%;
            overflow: hidden;
        }
        .float-item img{
            width: 100%;
            height: 100%;
            border-radius: 100%;
            
        }
        .float-item:hover {
            background: var(--float-item-hover-color);
            color: white;
            transform: scale(1.1);
        }

        .float-label {
            position: absolute;
            right: calc(var(--float-bar-width) + 15px);
            background: rgba(0, 0, 0, 0.8);
            color: white;
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            opacity: 0;
            pointer-events: none;
            transform: translateX(10px);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .float-item:hover .float-label {
            opacity: 1;
            transform: translateX(0);
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .float-bar {
                right: 10px;
                width: 60px;
                padding: 10px 0;
            }
            
            .float-item {
                width: 45px;
                height: 45px;
                font-size: 1.2rem;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 480px) {
            .float-bar {
                position: fixed;
                bottom: 0;
                top: auto;
                right: 0;
                left: 0;
                width: 100%;
                height: auto;
                flex-direction: row;
                justify-content: space-around;
                transform: none;
                border-radius: 15px 15px 0 0;
                padding: 10px 5px;
            }
            
            .float-item {
                margin: 0 5px;
            }
            
            .float-label {
                top: -35px;
                right: 50%;
                transform: translateX(50%) translateY(10px);
            }
            
            .float-item:hover .float-label {
                transform: translateX(50%) translateY(0);
            }
        }