/* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            padding-bottom: 50px; /* 为底部悬浮栏留出空间 */
        }
        ul {
            list-style: none;
        }
        a {
            text-decoration: none;
            color: inherit;
        }

        /* 底部悬浮操作栏样式 */
        .footer-fix {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 55px;
            background-color: #009bde;
            border-top: none;
            box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
            z-index: 999;
        }

        .footer-fix .clearfix {
            display: flex;
            width: 100%;
            height: 100%;
        }

        .footer-fix li {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-fix a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
            height: 100%;
            font-size: 12px;
            color: #ffffff;
            transition: color 0.3s;
        }

        .footer-fix a:hover {
            color: #e0e0e0;
        }

        /* 底部操作栏图标样式 */
        .footer-fix i {
            display: block;
            width: 24px;
            height: 24px;
            margin-bottom: 2px;
        }
        
        /* 使用真实图片背景 */
        .footer-fix .i1 { background: url('../images/footer-fix/i1.png') no-repeat center/contain; }
        .footer-fix .i2 { background: url('../images/footer-fix/i2.png') no-repeat center/contain; }
        .footer-fix .i3 { background: url('../images/footer-fix/i3.png') no-repeat center/contain; }
        .footer-fix .i4 { background: url('../images/footer-fix/i4.png') no-repeat center/contain; }

        /* 响应式控制：仅在手机端（屏幕宽度小于等于 768px）显示 */
        @media screen and (min-width: 769px) {
            .footer-fix {
                display: none;
            }
            body {
                padding-bottom: 0; /* 在电脑/平板端移除为底部栏留出的空间 */
            }
        }

        /* 响应式控制：在线客服侧边栏仅在电脑/平板端显示，手机端隐藏 */
        @media screen and (max-width: 768px) {
            #izl_rmenu {
                display: none !important;
            }
        }